In 1863, african american involvement in the civil war changed due to a new law that

The right answer is B. permitted African Americans to enlist in the military.

The civil war was marked by political and economic differences between the North and South regions of the United States.

In 1863 the most important battle took place, the Battle of Gettysburg, which secured victory for the Union forces. Lincoln then decreed the abolition of slavery throughout the country and with it was allowed the enlistment of blacks in the military that before it was forbidden, which only came into force with the end of the fighting and the definitive defeat of the South in 1865.

Explanation:

both are true, the congress does have the power to create banks, even if this power is not specifically described in the constitution, since there is nothing restricting it and there is power given to the congress to make "all laws which shall be necessary and proper". maryland was not allowed to tax a branch of the national bank operating there, and the supreme court decided that no state could. both of these topics were discussed in a decision of the mcculloch v. maryland case in 1819.

the caste system in india is the paradigmatic ethnographic example of caste. it has origins in ancient india, and was transformed by various ruling elites in medieval, early-modern, and modern india, especially the mughal empire and the british raj.it is today the basis of educational and job reservations in india.it consists of two different concepts, varna and jati, which may be regarded as different levels of analysis of this system.

the caste system as it exists today is thought to be the result of developments during the collapse of the mughal era and the british colonial regime in india. the collapse of the mughal era saw the rise of powerful men who associated themselves with kings, priests and ascetics, affirming the regal and martial form of the caste ideal, and it also reshaped many apparently casteless social groups into differentiated caste communities.the british raj furthered this development, making rigid caste organisation a central mechanism of administration

i didn’t fully understand your question but i hope this you !