The Great Compromise, also known as the Connecticut Compromise, solved the issue of how the states were represented in congress. Resolved in the Constitutional Convention of 1787, the Great Compromise solved the problem of repersentation for smaller states by having Congress have two senators for the Senate and proportional representation in the House of Representatives, based on population. It also made a bicameral legislature the states.
The answer is b. The compromise which developed a bicameral legislature was teh Connecticutt compromise. The great compromise established a line in which states entering the union above the line could not have slavery and those below could if they wanted.