What policy was intended to oppsd soviet expanseion ans keep communism in check

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

Why was it difficult fpr unions to succeed in the 1800s

Explain why american modernist writers might have perceived the world as chaotic in the early part of the 20th century. should be at least 250 words.