Answer:
the British Crown formally recognized American independence and ceded most of its territory east of the Mississippi River to the United States, doubling the size of the new nation and paving the way for westward expansion.
Explanation:
he Mexican Cession is the region in the modern-day southwestern United States that Mexico ceded to the U.S. in the Treaty of Guadalupe Hidalgo in 1848. This region had not been part of the areas east of the Rio Grande which had been claimed by the Republic of Texas, though the Texas annexation resolution two years earlier had not specified the southern and western boundary of the new State of Texas. The Mexican Cession (529,000 sq. miles) was the third largest acquisition of territory in US history. The largest was the Louisiana Purchase, with some 827,000 sq. miles, followed by the acquisition of Alaska (about 586,000 sq. miles).
Here's a summary the compromise prevented further territorial expansion of slavery while strengthening the Fugitive Slave Act allow which compelled Northerners to season return escaped slaves to the South
The military helped out with that go to Wikipedia.com I'm sure youll find out more
Assuming you mean the Black Codes established in the United States during the mid-1860s, these codes sought to restrict the freedom of African Americans after the end of the Civil War. Because slavery was no longer legal, former slave owners and others still wanted to hold power over the free African Americans. They sought this power by forcing them to receive low wages in a labor economy or go into debt. Those who held power wanted to ensure that African Americans were not as free as others, and that they still had to work and owe society their labor and money. This unfortunately perpetuated the unfair treatment that African Americans faced after the Civil War.
