To guard the harbor of Charleston and prevent invasion from the sea.
To liberate the Tennessee River, an important military highway which led all the way to Alabama.
fort Henry and fort donleson happen in northern TN.
Fort Sumter was a fort back when Lincoln was president.
Fort Sumter SC
to protect the habour from pirates
Fort King George was made to assure that the colonists in the 1700's had a place to settle.
To establish an English colony and fort
To guard the harbor of Charleston and prevent invasion from the sea.
The purpose of the presidio was to protect the mission for Indians who were unfriendly, and to secure the Native Americans from escaping the mission. The presidio was a sorta like a fort.
It bound the Plains Indians to territories away from the major trails
"Originally in 1824 it was built to protect the Choctaw Indians and settlers from attacks from the Spanish."
Its original purpose isn't definitively known, but it was likely built and used as a military instillation.
Its original purpose isn't definitively known, but it was likely built and used as a military instillation.
to keep native americans away from migration routes used by westward settlers
Fort Crown Point was built at narrows on Lake Champlain. It was built with the purpose of protecting the region against the French.
The fort that now constitutes Sealand was originally known as HM Fort Roughs, otherwise known as Roughs Tower. It was one of several Maunsell Sea Forts installed around the southeast coast of England in WWII. This particular fort's specific purpose was to protect the port of Harwich, Essex. The fort was constructed in 1942, and on 11 February 1943, Three tug boats towed the fort out to its designated location on the sandbar Rough Sands, from which the fort derived its name.