I think the 4th but I’m not 100% sure
The creation of Federal conservation programs to rehabilitate the Dust Bowl was an example of government intervention to prevent migration from an era. There were measures like the Federal Deposit Insurance Corporation, the National Recovery Association and the Civilian Conservation Corps, which were associated with the New Deal. Franklin D Roosevelt believed that it was crucial to provide with direct federal relief to individuals instead of reforming the business community.
By creating these programs, the Federal government focused on rehabilitating the lands so they would not become uninhabitable, leading to farmers and whole communities to leave the land and looking fo opportunities elsewhere.
Answer:
How did 20th century world events shape contemporary economic globalization?
1914
World War 1 Begins
1917
Revolution and civil war begin in Russia
1918
World War 1 Ends
1922
Civil war ends in Russia with the Communist Party in control
1929
Great Depression begins when stock markets crash in major cities
1939
World War 2 begins in Europe
1939-1941
Great Depression ends in various countries
1941
World War 2 expands to Asia when Japanese forces bomb Pearl Harbor and capture Hong Kong
Explanation:
Cutting off the colonies trade with other countries, taxing the colonists without their consent, and ignoring their petitions.