Why did america go to war against mexico? please help

What makes water a renewable source

How does désir represent the diversity of europe today? how did the 1400s and 1500s affect the religious diversity of europe? how might cultural diversity in a place like germany affect everyday life? what are two reasons some europeans might find immigration to be an advantage? what are two reasons some might find it to be a disadvantage? why do you think languages and culture spread more easily in europe now than in the past?

Does (flavius) josephus believe the romans were merciful when they conquered people? how does he try to persuade the reader to support his belief?