I had the same question. It is not B it is D.
During this time, it was China that mostly remained a land-based empire. This is due partly to the fact that China occupied a large area of land, and didn't need more resources.
the most widely accepted theory among scientist is that the last place humans migrated was to America
There were of course several people who held this view, but perhaps the most prominent was Woodrow Wilson, the President of the United States, who pushed for a much more secure Europe after WWI to prevent such things from happening again.
The answer to this question is <span>The </span>Compromise of 1850<span>. First, as advocated by the South, Congress passed the Fugitive Slave Act, a law that provided federal money—or “bounties”—to slave-catchers. ... Fifth, Congress avoided a </span>direct<span> decision on the question of slavery in the western territories, employing the principle of popular sovereignty.</span>
