The early civilizations of Mesoamerica civilizations were located in what modern-day region? the region that is now Mexico and the countries in Central America
the region that is now Canada and the United States
the region that extends from Mexico to the bottom of South America
the region that now includes Mexico and the United States

I am not sure but I think the correct answer is the region that now includes Mexico and the United States.

alliances in ww1 were different from ww2 because the entente in ww1 made up of serbia,russia,france,britan,japan and italy later america  and all allied in a sort of balance of power and too keep germany,austria-hungary,and the ottomans down. russia allied the serbians in order to exert its influence in the balkans while france allied the russians because france was still in dismay and insulted after the defeat to the germans during the unification of germany and britian allied the belgians after the germans invasion of belgium.in ww2 the alliances were in a preemptive attempt to deter any further wars into happening while germany and italy allied since they were insulted and humiliated after the previous war while also sharing a similar ideology of facsim along with japan which all 3 had a want for world domination and agreed to assist one another in the endevours 

explanation: