To create a image that who or what they where fighting was awful and bad, or to really up their army’s.
4 is your greatest common factor
Why in God we trust?
The 84th Congress passed a joint resolution "declaring IN GOD WE TRUST the national motto of the United States". The resolution passed both the House and the Senate unanimously and without debate. The law was signed by President Eisenhower on July 30, 1956.
Preclusive imperialism is basically a reason why the US needed to start 'expanding'. William Langer believed that they needed to start engaging when it came to imperialism and develop the US empire so others couldnt.
As for its significance, it protected Cuba and they bought the Philippines for $20 million until it became independent.
In a market economy depending on the level of government control their could potentially be no role for the government. However, government involvement could range from preventing monopolies all the way to impacting prices. It depends on the type of market economy.