Which of these contributed to the crash of 1929 and the great depression?
a) stock market speculation
b) the effects of world war ii
eliminate
c) success of the u. s. farm economy
d) foreign boycotts of u. s. products

abraham lincoln was the president of usa and he had asked the audience to make a pledge on equality.

his pledge was:

“it is my earnest desire to know the will of the providence.”

lincoln also had hatred for people who condoned and practiced slavery and so he pledged:

""and if i can learnt what it is i can do it"" this is another pledge by abraham to reassure the congregation on how to deal with the providence will.

explanation:

hope this !