why did the u.s military build frontier forts such as fort leavenworth (1 point)

5 answers

The U.S military built frontier forts like Fort Leavenworth as a means of establishing a physical presence and exerting control over newly acquired territories, as well as protecting settlers and traders from attacks by Indigenous peoples. Additionally, forts provided a base from which military expeditions could be launched to further expand territorial claims.
can you shorten it
The U.S military built frontier forts like Fort Leavenworth to establish a physical presence, exert control, protect settlers, and launch military expeditions to expand territorial claims.
little bit more
Frontier forts such as Fort Leavenworth were constructed by the U.S military to effectively govern newly acquired territories, safeguard settlers from Indigenous attacks, and use them as a base to launch military campaigns for territorial expansion.