Which culture first develop an understanding of the concept zero?

Christianity world wide followers

What were the key religious differences between the European nations that explored the Americas?

Who first created maps on a flat surface

what characteristics of universities made them very attractive to scientists during the scietnific revolution

ships could reach the port of st. Petersburg via the battle sea where is that

What is coral feta good for

If the National Rifle Association (NRA) focuses public attention on the failure of gun control legislation to reduce the number of felonies committed by persons using handguns and rifles, it is engaged in which function?

If the senate passes a bill but the house doesn't like it the way it is, then:

How did the purpose of Columbus propose voyages differ from those of Dias and da Gama

Which two countries settled most areas in Central and South America?