I'm pretty sure its B. the US believed Bin Laden was responsible for 9/11 but the Afghan government wouldn't hand him over to the US.
In WWII the americans helped form the UN which is an international governing system that sets world laws on war. After developing this group of nations tjey formed together to destroy the german military.
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
The answer is B. Most slaves were captured from other countries.
