The home fronts provided for the allied Armies things such as metal, rubber, rags. Such things helped strengthen civilian morale and support for the war effort.
The correct answer is imperialism
The term imperialism is used to refer to the practices of politics in which a nation sought to promote territorial, economic and / or cultural expansion over another nation. The use of the word imperialism can occur in current contexts, for example, when one country decides to intervene militarily in another.
The answer is : Increased
C) the exchange rate
This is when you go to another country and exchange your form of currency into that countries form of currency.
an example is that if you have 1 U.S. dollar and you exchange it for Canadian currency you would recieve $1.28 because the american dollar is worth more.