The answer is D, 5,700 years.
Answer:
180a.c is the answer......
Isolationist policy, which was a policy followed by the U.S. government during the interwar period, meant that the United States refrained from active engagement in military conflicts. It served as an honest broker and sometimes provided indirect assistance as with Lend-Lease prior to 1941.
Answer: The Progressive Era was a period of social activism and political reform in the United States that flourished from the 1890s to the 1920s.
Explanation: