Due to an increased population size, public health and housing became a big problem, underpaid jobs were common and they were mostly dangerous and surprisingly, it was hard to find jobs of any kind
If I remember correctly the opium wars resulted in china being figuratively split up by european powers. So, I'd go with 4.
Answer:was a well-known civil rights activist who had a great deal of influence on American society in the 1950s and 1960s. His strong belief in nonviolent protest helped set the tone of the movement. Boycotts, protests and marches were eventually effective, and much legislation was passed against racial discrimination.
Explanation:
