The most common language spoken in this part fo the world is English
Based on this graph, the details that are accurate statements about US trade with Mexico since the time NAFTA was signed are:
Options A - D. That is, all options are correct.
<h3>What is NAFTA?</h3>
NAFTA is a trade treaty between the United States, Mexico, and Canada.
NAFTA stands for North American Free Trade Agreement, and it is a pact signed by the United States of America, Mexico, and Canada to eliminate tariffs on products and services traded between these three countries.
Learn more about NAFTA at;
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The correct answer to this open question is the following.
Although the question is incomplete because it does not provide a specific reference about the author of the letter or any other reference, we can comment on the following.
A primary source is the piece of information that was written by a character or an individual that lived in the moment of the event, was part of the event, or witnessed the event. This individual could have written a letter, or a document -including a book. Or he/she took a photograph. Or was part of an interview. The secondary source includes information from a third person who was not part of the time or event but has found information through other resources. It is the case of an encyclopedia or researchers/historian books.
D
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Angola's civil war happened at the time of the Cold War, when the US and Soviet Union fought a number of proxy wars. Angola's war was simialar to those and one of the sides was Marxist-Leninist, so the Soviet Union was bound to support it and the US oppose it.