I think d if you still need the answer
<span>The factor that explains tremendous growth in the southern slave population between 1790 and 1860 is becayse of the great deppresion and inflation of the dollar. So during this time John Maynard from the British incorporated opening the marketplace to support the economy by giving credit and loans to small business owners.</span>
Checks and Balances because one branch keeps the other one in check
B, A is more late 1900s and c is all over
