Which territories were acquired under James K. Polk's administration ?

With the Oregon Treaty of 1846, Polk managed another significant land acquisition–this time without going to war–when his administration diplomatically settled a border dispute with the British and gained full control of the present-day states of Washington, Oregon and Idaho, as well as parts of Montana and Wyoming.

The renaissance was a major turn in history. many new ideas and technological advances came into place. it was a time of new thinking, where many were inspired by enlightenment beliefs. most people were branching out from what the government or the catholic church was saying, and using science to answer questions about the world around them. it was also a time when the arts were booming. artists, musicians, mathematicians, philosophers, and historians were becoming more and more of a respected society. the renaissance was a major turn in history. 

The byzantine empire.