Transcript for:
U.S. Territorial Expansion and Foreign Policy

Hey there and welcome back to Heimler’s  History. So we’ve been going through Unit   4 of the AP U.S. History curriculum and  in this video we’re going to talk about   how the U.S. government sought to  gain more territory and establish   a growing influence in the Western  Hemisphere. So as you probably know,   your brain cows ain’t gonna milk themselves,  so I stand at the ready, let’s get to it. So the main thing you should be able to do  after watching this fair video is the following:   Explain how and why American foreign  policy developed and expanded over time. So in the last couple of videos I mentioned  the causes and consequences of the War of   1812. In 1814 it was the Treaty of Ghent that  ended the war between the U.S. and Britain,   but that treaty left an awful lot  of things unclear, especially with   regards to Canada. And so as our boy James  Monroe took the presidential office in 1817,   he sought to do something about that. So he  sent our other boy John Quincy Adams to London   to settle some lingering territorial claims. He  ended up negotiating a treaty which established   the border between the U.S. and Canada right  along the 49th parallel. Additionally, it   established a joint U.S.-British occupation of the  disputed Oregon Territory for the next ten years. So the soothing of territorial disputes  in the north is going swimmingly,   so let’s head south and see what’s  happening there. Now you may recall   that at this point in history  the Florida Territory belonged to   Spain. Now Spain was having a little difficulty  governing their Florida Territory on account   of them moving out their troops to go squash  rebellions in their South American colonies.   #empireprobz, am I right? As a result of this  territory being in supervised, Seminole Indians   and runaway slaves and various scrappy white  folks who lived in Florida were crossing the   border and raiding U.S. territory. Well Monroe  decided to put the kibosh on such lawless   behavior by sending general Andrew Jackson down  to Florida in 1817 to stop all this foolishness. BUt Monroe was smart. He knew such an action  might ignite a war with Spain, so he told   Jackson in no uncertain terms that he was not  to engage directly with Spanish forces. His only   job was to protect the American border and push  the interlopers back to where they came from. So   Jackson went ahead and attacked two Spanish  forts, executed two Seminole chiefs and two   British citizens who were in the territory. Not  surprisingly this enraged both Britain and Spain,   but ultimately they both decided to forget the  insult in order to avoid war. The biggest effect   of all of this was that Spain could see that  the U.S. was gunning for Florida and so instead   of fighting them to keep it, they decided to  sell the Florida Territory to the U.S. And so   John Quincy Adams negotiated the Adams-Onis  Treaty in 1819 which made that sale official   and formally defined the border between U.S.  territory an Spanish holdings in the West. Now this win for the U.S. government got them  thinking about how to limit European influence   in the rest of the Western Hemisphere. And to  the great pleasure of the Americans, by 1822,   Columbia, Mexico, Chile, Peru, and Argentina  had all thrown off European colonial power.   Giddy about this, President Monroe quickly  recognized their independence and established   diplomatic relations with them. And  this got the president to thinking:   “Europe is the worst, and we don’t want them  tangling in our affairs on this side of the   globe.” And so in 1823 he formally articulated  what became known as the Monroe Doctrine. This   doctrine basically said that the lands and nations  in the Western Hemisphere were in our backyard,   and thus were our business. We don’t need  no European militaries coming over here and   handling stuff. If anything goes wrong over  here, we’ll handle it. And in stating this,   Monroe officially challenged Europeans  for authority in the Americas. Now I always think of the Monroe Doctrine like  a giant American dog. In this declaration,   what the U.S. did was essentially urinate  all over the Western Hemisphere and claimed   it as their own. So listen, everybody, as  you can smell, this mailbox belongs to us,   so move along, put that leg down,  and keep moving… there you go. Now of course, all this new finagling of territory  and claims to power and influence wasn’t all about   power. A significant motivating factor in  everything I just said was trade as well.   By the late 1820s, Americans established  a thriving trade relationship with Mexico,   especially New England manufacturers who  delighted to find a new market for their goods.   Additionally, U.S. merchant ships carried goods  across the Pacific and established a robust trade   in Chinese porcelains and silks. And that got the  Americans to thinking that maybe what they needed   a couple Pacific Islands like Hawaii and Samoa.  Now eventually that would happen, but it’s about   seventy or eighty years in the future at this  point, so we’ll leave it on the table for now. Now all of this increased demand for  U.S. goods led to a revolution in   manufacturing which later became  known as the Market Revolution,   however that is a topic for the next  video, so for now, we’ll leave it there. Okay that’s what you need to know about Unit  4 topic 4 of the AP U.S. History curriculum.   If you’re struggling in your course and you  need help getting an A in your class and a   is also known as the Heimler Doctrine,  so click it and enjoy. If you want me to   keep making these videos then go ahead and  let me know by subscribing, Heimler out.