Answer:
the 54th massachusetts
Explanation:
The most famous combat operation of the Civil War with participation of African American was the assault on Fort Wagner, carried out on July 18, 1863 by the 54th Massachusetts Black Volunteer Regiment (commander Colonel Robert Shaw). It was the first regular military unit in US history to consist entirely of African Americans. The 54th Massachusetts regiment became widely known for its courage, and this event contributed to the formation of new African American regiments, which, according to President Lincoln, played an important role in the victory of the North.
The modern period can be counted from around 1500 AD.
Most of the missionary work in this time, especially in the early years, was violent and directly connected to colonialism. For example, the missionaries in Mexico did not initially agree that the pagans had souls and were not protecting them from violence from the state. A lot of missionary work (in Mexico too) was state-sponsored and state-imposed, as the colonial powers saw it as increasing their status among other countries.
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i can only think of these but i hope it helps anyway :)
1. standardized weights and measures
2. seal carving
3. metallurgy with copper, bronze, lead, and tin.