The Capture of Fort Ticonderoga occurred during the American Revolutionary War on May 10, 1775, when a small force of Green Mountain Boys led by Ethan Allen and Colonel Benedict Arnold overcame a small British garrison at the fort and looted the personal belongings of the garrison.
It was advantageously located near the coast and other settlements.
The immigration station on the west coast where Asian immigrants, mostly Chinese gained admission to the U.S. at San Francisco Bay. Between 1910 and 1940 50k Chinese immigrants entered through Angel Island. Questioning and conditions at Angel Island were much harsher than Ellis Island in New York.
I hope that helps.
The two main reasons for European exploration were to gain new sources of wealth. By exploring the seas, traders hoped to find new, faster routes to Asia—the source of spices and luxury goods. Another reason for exploration was spreading Christianity to new lands.