The articles of the Constitution explicitly outline:
B - a bicameral nation legislature.
Article I, Section 1 explains how Congress is split into the Senate and House of Representatives, a form of national bicameral legislature.
Maybe this can help, this is just something I found i believe the size varies because of the population in that district
Sherman would push from Chattanooga to Atlanta to the Atlantic Ocean.
Grant would attack Richmond
The salaries increased, sometimes drastically some times slowly. An average worker in the 1900 had a salary between 256$ and $439 per year, while in 1929 the average salary was between 752$ and 1164$ per year. This all stopped and became much much worse when the great depression hit in the thirties which left the economy devastated.