The Missouri Compromise—also referred to as the Compromise of 1820—was an agreement between the pro- and anti-slavery factions regulating slavery in the western territories. It prohibited slavery in new states north of the border of the Arkansas territory, excluding Missouri.
The South was speaking to Britain and France and was asking for military aid against the North and basically they said "Hey win a strategic battle on Northern land and we will help you." Well after the South didnt win the battle because in all terms the Battle of Antietam was more a draw then a loss for either side but because it wasnt an outright victory both the British and French retracted their offer of aid.
The following was not a factor in American prosperity following WWI: America gained European territory after that war and was able to export products to Europe and Africa without economic barriers. After World War I the US continued enforcing high tariffs, which was one of the main sources of revenue for the country. When a country has tariffs on imports, it means that it's products have tariffs on the given country's exports. This is because there wasn't a free trade agreement between the US and Europe. On the other hand, the world took a protectionist approach after WWI by enforcing high tariffs. Also, after WWI the gold standard was abandoned despite the efforts that were made to reenforce it. Finally, WWI put restriction on the movement of financial capital. With the end of WWI, African countries were granted their independence and the United States did not gain any European territory.
Statements B,C, and D are true.
Cross of Gold speech. The Cross of Gold speech was delivered by William Jennings Bryan, a former United States Representative from Nebraska, at the Democratic National Convention in Chicago on July 9, 1896. In the address, Bryan supported bimetallism or "free silver", which he believed would bring the nation prosperity ...