What did Nash learn from being involved in nonviolent protests? After her experience in Nashville she proposed the formation of a voluntary nonviolent army to tackle injustice in the United States.
Are there causes for which you would volunteer?

a causal relation between two events exists if the occurrence of the first causes the other. the first event is called the cause and the second event is called the effect. a correlation between two variables does not imply causation.

explanation:

immigrants from northern and western europe continued coming as they had for three centuries, but in decreasing numbers

i think it is the first one hope this