Former US President Harry Truman is known for the foreign policies he implemented in response to the growing tension between the United States and the Soviet Union. Among his foreign policies is the Truman Doctrine wherein it is usually offensive in nature because it aims to fund a territory when it is under retaliation from a communist rule.
Answer:
As Researches said, That Russia, Netherlands, Germany, France and Britain are all Countries that became Imperial powers and created huge empires during the 1800's and early 1900's