Human migration occurred because of several factors. The reasons are the following:
1.food shortages
2.War
3 Seasonal changes
4.Disease and epidemic.
Africans are nomadic people. They thrive more from their environment. They only had to stop migrating during the agricultural era, wherein they learn to plant and tend crops and started cattle herding.
In the 1840s, the U.S was struck with the idea of <em>manifest destiny</em>. An idea that America should control North America from the Atlantic Ocean to the Pacific Ocean. Mexico had the legal right to Texas thus dominated California, Arizona, and New Mexico. Two territories stood in America's way of accomplishing the manifest destiny idea; first, the Oregon Territory that was occupied by both Great Britain and the United States and the Western and Southwestern areas owned by Mexico. The differences between the United States and Mexico over the border of Texas led to the Mexican American War that resulted in American gaining ownership of Arizona, California, New Mexico, and Texas. The ownership of these territories fulfilled the '<em>Manifest Destiny' </em>of the U.S stretching from the Atlantic to the Pacific, Manifest Destiny.
Explanation:
The Progressive Era Summary
The Progressive Era (1896–1916) was a period of widespread social activism and political reform across the United States of America that spanned the 1890s to World War I. Progressive reformers were typically middle-class society women or Christian ministers.
2. Climate
I’m not going to drag this in but I can’t comment my answer unless it’s 20 characters lol
Germany failed to take over Europe
Italy failed to gain land in Europe
Austria-Hungary failed to keep stable, now they don't exist.
Bulgaria failed to gain the land they wanted
Turkey failed to get back at Russia for the *Crimean Wars
*could be a different war not sure
