These developments resulted in much higher casualty rates that in the past because these new weapons were more destructive and allowed for larger scale military actions to take place. Also arguably these types of weapons and other military advancements at this time led to increases in the size of armies.
Yes, they started fighting after 9/11, to topple Osama bin Ladin
Another of the biggest population shifts in American history was the Great Migration. Between the 1910s and the 1970s, around 6 millions Black American fled from the American South to Northern, Midwestern or west.
One of the biggest ethnic groupings in the US is made up of Black people. Although most Black American are of African descent, many also have non-African forebears. Most African Americans are descended from enslaved individuals who were forcibly transported from their native Africa to work in the Age Of exploration. Their legal options were severely constrained, and they had long been denied the chance to participate in the economic, social, and social changes of the US. But Black American have contributed fundamentally and enduringly to American history and culture.
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Benito Juárez, a Mexican lawyer and liberal politician who set up a republic there
