It helped the US Government to adapt to Modern Day times. The Elastic Clause grants the government powers that allow it to adjust to modern day society.
The correct answer is that they granted economic freedoms but not political freedoms. This means that they opened up a bit and became a bit more capitalist, but political freedoms were still forbidden and people would not be able to protest certain things or say certain things out loud or speak against the government and its choices.
In order to elect the president, the Constitution created the Electoral College. Instead of being elected via direct vote, the president receives his or her votes from a series of delegates. Each state has a set number of delegates depending on its population. When voters in the states go to cast their ballots for the president, they are actually voting for the delegates who will (in theory) then cast their votes for the president.
The answer you are looking for is B. He united the Mongol tribes and became known as the "ruler of all men"