What was the significance of the treaty of tordesillas

On June 7, 1494, the two nations agreed upon the Treaty of Tordesillas, which moved the line the pope had established westward. This allowed Portugal to claim the territory that later became Brazil.

Explanation:

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.