"D. It proved that black troops could fight bravely and well" is true about the 54th Massachusetts Regiment, which saw extensive action during the Civil War.
The information found by Lewis and Clark showed many new places to settle, what the new land was like, and what could be accomplished in those areas. They found more land to farm and build homes. They also found some of the major rivers and landmarks of today.
In the 600's, Islam spread far North and East Africa through trade and the spread of the Arabic language. The expansion of the Arab Empire in the years following the Prophet Muhammad's death led to the creation of caliphates, occupying a vast geographical area and conversion to Islam was boosted by missionary activities particularly those of Imams, who easily intermingled with local populace to propagate the religious teachings.
I think it might be D but if it is not right soz
unitary systems
Explanation:
and might be the us branches
