<span>Jefferson was worried over the agreement because his new agreement would be a threat to the united states.
</span>
Their customs were outdated, the advancements of weaponry and technology by the europeans and americans frightened the japanese of invasion, hence opening its trade ports to adopt these new innovations by the Europeans and the Americans.
Answer:
Following Beauregard's bombardment in 1861, Confederate forces occupied Fort Sumter and used it to marshal a defense of Charleston Harbor. Once it was completed and better armed, Fort Sumter allowed the Confederates to create a valuable hole in the Union blockade of the Atlantic seaboard.
Explanation:
The earliest days of the Republic, Americans had expanded their nation by moving westward. When looking overseas for new markets, the United States naturally looked to the Pacific.
(brainliest please)
