Explanation:
The Senate has 100 members, elected for six year terms in dual-seat constituencies, two from each state. One-third are renewed every two years. The group of the Senate seats that is up for election during a given year is known as a class.
The House of Representatives has 435 members, elected for two year terms in single-seat constituencies. House of Representatives elections are held every two years on the first Tuesday after November 1 in even years, correlated with presidential elections..
The representative head was responsible for ruling different regions of the country.
It is C. The Secretary of State William Seward argued that the U.S. should buy Alaska because U.S. wants expand, and Alaska had valuable resources.