Germany resumed unrestricted submarine warfare.
Because of the industrial revolution. The industrial revolution started in Britain and was the reason for many great discoveries and inventions, including an evolution of science.
Crisis management and peacekeeping is the answer i took this test
Answer:
Because there was only one currency used and there was no complicating custom dues
Answer: FOREIGN POLICY
Explanation: Foreign policy refers to a nation's policies and interactions in dealing with other nations. That will include matters of military defense against opponents as well as military alliances with like-minded nations. Foreign policy also will include diplomacy, as ambassadors and political leaders negotiate their concerns with one another. Foreign policy also will include trade relationships between the nation and foreign countries, whether that be trade agreements or tariffs imposed against other countries' imports.