If by South Africa you are referring to the Republic of South Africa, then their transition to Democracy was a bit rocky. It was a part of the British empire before they gained their independence as a free republic. This free republic however was not a democratic one due to things like apartheid rules where a minority of rich people who were mostly white controlled the government at the expense of the local African majority. As the fight for democracy continued many things started coming up like huge unemployment and infringement of human rights. Apartheid ended and currently the country is a democracy with suffrage, but there is evidence of high corruption among the government employees and the administration. Expand those ideas into an entire essay.
The Great Compromise had it to be only one representative per state in the Senate, so the answer would be A.
The vice president has to act as the officer of the senate.
He/she must be familiar with all the presidents priorities and duties so that if anything happens, he/she is able to take on the roll of president. They also are an "assistant" for the president, and helps with making decisions for the country.
The main way in which Shays' Rebellion led to the call for the drafting of the Constitution is that the rebellion proved to be very hard to put down by the government--meaning that they wanted a "strong" document that would give them the power to put down future uprisings, among many other things.