A) <span>On this day in 1956, the U.S. Congress approves the Federal Highway Act, which allocates more than $30 billion for the construction of some 41,000 miles of interstate highways; it will be the largest public construction project in U.S. history to that date.</span>
The answer is: "commensalism" .
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The Columbian Exchange, which was a transfer of humans, plants, animals and disease between the continents. It cause death, invasive species, as well as the obvious benefits of new crops and culture.
"The US and Japan became allies and trading partners" was a result of the U.S. occupation of Japan after World War II.
<u>Explanation:</u>
The U.S. guided the Allies in conquering and restoration the states of Japan following Japan's defeat in Second World War. The U.S. occupying forces promulgated political reforms as government transformed to a democracy, military reforms as its empire was dissolved, social like education and economic system was reorganized and rebuilt from 1945 to 1952 under the leadership of General Douglas A. MacArthur. During the war itself, the fundamental was laid for the Allied seizure of a beated Japan.
