During the Korean War which statement is true?

The Korean War (1950-1953) began when the North Korean Communist army crossed the 38th Parallel and invaded non-Communist South Korea. As Kim Il-sung's North Korean army, armed with Soviet tanks, quickly overran South Korea, the United States came to South Korea's aid. ... This Chinese army attacked the US/UN/ROK forces.

What was the cause of the Korean War?

It was fought between North Korea and the South Korea throughout the early part of the 1950s. ... Today, historians generally agree on several main causes of the Korean War, including: the spread of communism during the Cold War, American containment, and Japanese occupation of Korea during World War II.

Who Won the Korean War? Neither side actually won the Korean War. In fact, the war goes on to this day, since the combatants never signed a peace treaty. South Korea did not even sign the Armistice agreement of July 27, 1953, and North Korea repudiated the armistice in 2013.

Explanation:

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

i think the answer is b.