The correct answer is A) crafting compromises.
Henry Clay actually earned the nickname "Great Compromiser" due to his efforts in helping Congress avoid all out war during the 19th century. His first compromise that gained national recognition was the Missouri Compromise. This compromise would be used for roughly 4 decades when determining whether or not a new territory added to the US would have slavery.
His next big compromise was the Compromise of 1850. This helped to settle the controversy over what would happen in terms of slavery in the new territories acquired by the United States after the Mexican-American War.
The House is presided over by the Speaker of the White-house, and the Senate by the vice president.
B) Truman Doctrine.
I hope this answer is right.
It cost around 15 million dollars
The answer is D because Texas was a slave state and most of the states in the US weren’t and everyone knew that once Texas annexed into the US they would try having a slave state but the US would end up saying no slaves in the end.