Explanation:
the Neolithic Revolution was also known as the 'first' agricultural revolution this was when humans stopped their lifestyle of hunting and gathering and came together in a lifestyle of settlement and agriculture. so tools were imperative to planting crops during this time.
A) new tools saved early humans labor and time
Answer: B. keep the balance of power in the Senate between the slave states and free states.
Further detail:
The Missouri Compromise (1820) admitted Missouri into the Union as a slave state with Maine being added at the same time to keep the balance of slave and free states equal. It also prohibited any future slave states north of the latitude line 36 1/2 degrees north of the equator in territories of the Louisiana Purchase, with the exception of Missouri (north of that line) being admitted as a slave state.
They sent him new clothes so he did not make a fool of himself