Answer:Terrorists operate from various nations around the world.
Other nations are also threatened by terrorists.
It’s more effective to gather the resources and expertise of many nations.
Answer:
Japan was in the Axis and the British had been fighting Japan so when the USA declared war it was fighting both Germany and Italy, with Japan
Explanation:
Wikipedia
Answer:
it's defense of human rights
1825: Turnpikes, canals, and rail lines drastically changed America's landscape, beginning in the 1800s. Following the War of 1812, the American economy was altered from an economy partly dependent on imports from Europe to an empire of internal commerce.