Why was the petition written by pennsylvania german quakers in 1688 significant?
a. it outlined the quakers’ support for slavery and the slave codes.
b. the quakers declared that they had decided to return to europe.
c. it was the first public statement to protest slavery in america.
d. the southern colonies surprisingly rushed to support it.

i think its a but im not sure

C. It was the first public statement to protest slavery in America.

Explanation:

Slavery conflicted with the religious beliefs of the Quakers who wanted freedom under God for all individuals. The Quakers were instrumental in the fighting of slavery since the commencement of the United States.  

In 1688 the Quakers signed the first petition against slavery. Despite the fact that the appeal neglected to achieve the restriction of slavery. The Quakers did not surrender their fight against slavery. The Quakers were a noteworthy piece of the underground railroad and the abolitionist movement.

other sources of text

explanation:

this can be magazines, news reports, scholarly articles, textbooks, research papers etc.

its many islands, high mountains, and remote peninsulas isolated population centers.