How does the relative uniqueness of America’s history and culture affect its relationship to such increasingly international issues as economic development, the environment, immigration, and terrorism?

4 answers

Wow! You must be writing a book! This is a complex subject.

We'll be glad to read what your ideas on this topic are.
I would like to address each point actually.

Economic Development: America during the supposed wars often supplied ammunition, guns, war boats, and etc (even loans and leasing of warfare materials to other countries). Americans merchants were needed to transport items to the west indies and etc. Competitors from other countries were invalid or simply unessential. America held the silver spoon. Nonetheless,Powerful foreign competitors began to threatened the U.S. economic status. And even our fight against communism began to wane as the alarmingly unequal distribution of wealth and income threatened to turn America into a society of haves and have-nots.

Environment:

Immigration: Back in the day, Europeans would often migrating abundance to the New World. However contrary to the new century most of the immigrants existed from Asia and Latin American Countries in the 1980s. The morality of immigrating was quite the same, most moved in search of a better life and a better future for their children. Land of the Free and Home of the Brave we continue to say.

Terroism: America was often denoted as an open frontier. However, .... I don't know where to go from there to talk about 9/11.
As I understand your assignment, you need to concentrate on current issues. Your answer jumps around during a few centuries.
I do that because it said in the original question about the uniqueness of American history and its resolve in current day.