Originally humans simply hunted and gathered, but this nomadic lifestyle made having a large family difficult and culture was therefore rarely passed on.
Answer;
-The Tet Offensive
Explanation;
The Tet offensive is the event that marked the turning point in the Vietnam conflict, forcing Lyndon Johnson to change course and pull out of the upcoming presidential race.
-The Tet offensive was a major invasion of South Vietnamese urban centers, that was launched by the North Vietnam in 1968.
-The Tet Offensive played an important role in weakening U.S. public support for the war in Vietnam. The goal of the offensive was to severely damage the United States and South Vietnamese forces as well as encourage an uprising against the government of South Vietnam.
I wanna say it's D but I'm not sure.
The correct answer is B.
The Korean War was fought between 1950 and 1953. It was considered a proxy war in the major conflict known as Cold War, that confronted the Eastern bloc of communist countries leaded by the URSS and the Western bloc of capitalist countries headed by the US.
When the Korean War started, the country had splitted in two halves and North Korea attempted to invade South Korea. The communist North was supported by the URSS and China while the South was supported by the US.