Question

The Dust Bowl of the 1930s was caused by

Answer 1

When pione­ers headed west in the late 19th century, many couldn't resist the lure of the tall gras­sy land in the semiarid midwestern and southern plains of the United States. They settled there to farm. They were prosperous in the decades that followed, but when the 1930s rolled in, so did strong winds, drought and clouds of dust that plagued nearly 75 percent of the United States between 1931 and 1939 [source: PBS]. The era became known as the legendary Dust Bowl.