please help as soon as possible, Thanks

Questions One

Explain why do nations trade with each other

What are some benefits and draw backs to nations trading.

In your answer give examples and explain your answer.

Explain why nations put up barriers to trade and what do the barriers take the form of.

What are the consequences of barriers to trade?Explain your answer.

Question Two

Government & the Economy

What role does the U.S. government play in the economy?

Include the goals of the economy.

Promote stable markets

Stimulate economic growth

Promote business development

Protect employees and consumers

How do environment policies impact the economy?