I think one of them in mexico.
It first started with the Pearl Harbor Attack and was officially announced by Roosevelt in the Quarantine Speech.
Explanation:
imperialism had many effects one of them is it caused entanglement of all of the alliances and it led to countries strengthening becoming more big with their military. The German spent a lot of money trying to get their military much bigger it better than all the 10 countries that scared Russia
After Stalin died in 1953, the number of people sent to the gulag "<span>c. decreased dramatically," since Stalin was a primary proponent of sending political dissenters, any anyone he felt threatened by to the Gulag as punishment. </span>