The correct answer is the 4th option (a more powerful central government that abided by rules).
The first option is incorrect because the government did not give more power to the states.
The second option is incorrect because a monarchy was not formed.
The third option is incorrect because, like the first option, the government did not give more power to the states.
The fifth option is incorrect because the government had an executive branch (the president).
2,984 kilometers or 1854 miles.
There were 2 groups of countries the Axis Powers and The Allies, but I would say Germany and The United States were the 2 main countries