Answer:
The answer is D, the Columbian Exchange. I hope this helps!
Since free trade allows the business market to reach overseas outside their own nations, many business man seek to sell and cooperate with the other nation's business cooperation in order to expand their market and gain more profit. This urged the economy to become global with the economic exchange across countries.
hope it helps!
Answer:
promote international cooperation
The role of The Dust Bowl<span> in the history of the United States of America. ... The farming practices that made the plains so productive were beginning to </span>take<span> a toll on the land. The grasslands ... Roosevelt believed it was the federal </span>government`<span>s duty to help the American </span>people<span> get through the bad times </span>like<span> the </span>Dust Bowl<span>.</span>
