Heres the last one and thanks for helping me

What led to the environmental damage that caused the dust bowl? 1. desert winds emerging from the southwest 2. rotating crops every year and having fallow land 3.overplanting throughout the great plains 4.a year-long drought

Which of the following cultures were among the earliest known inhabitants of north america? a) mayab) incac) anasazi d) olmec

What were some of the ideas that the democratic party emphasized that allowed them to appeal to most white voters?