The correct answer to this open question is the following.
President Donald Trump changed the course of several US foreign policies.
These are the matches.
Negotiations with Korean Peninsula - nuclear disarmament discussions.
Joint Comprehensive Plan of Action - pulled out of an agreement.
United States-Mexico-Canada Agreement - renegotiated NAFTA.
In this last case, President Trump asked the other two presidents to renegotiate the terms of the trade agreement.
Originally, the North American Free Trade Agreement (NAFTA) wanted to generate many positive factors for the three countries, Mexico, Canada, and the United States. But as always happen in free trade agreements, the reality shows many different ourcomes for the three of them.
That is why the Congresses of the three countries analyzed the new free trade agreement.
The new agreement is called “USMCA” or United States-Mexico-Canada Agreement and was signed on September 30, 2018.
Their customs were outdated, the advancements of weaponry and technology by the europeans and americans frightened the japanese of invasion, hence opening its trade ports to adopt these new innovations by the Europeans and the Americans.
BY putting their beliefs onto the immigrants and by teaching them english
D) To fight the spread of communism.
Because of the Domino Theory they thought that if Vietnam fell into Communism, the whole region would follow. So therefore they wanted to support South Vietnam in order to contain Communism in Asia.
