The correct answer is:
A. The sinking of passenger liners.
The use of submarines during World War I resulted in the sinking of passenger liners.

Answer:
Songhai
Explanation:
Under the rule of Sonni Ali, the Songhai surpassed the Malian Empire in area, wealth, and power, absorbing vast areas of the Mali Empire and reaching its greatest extent.
The correct answer for this question is "A.abolish slavery within its borders." As part of the Compromise of 1850, Texas agreed to abolish slavery within its borders. Slavery is a big issue in social injustice and racial discrimination. It is against human rights. Living in the world shouldn't be affect by our colors.
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Hi !
only the adult males were considered as full citizens
bye !