The correct answer for this question is this one: "2. appointed his own archbishops"
Pope gregory VII do to change the balance of power in the medieval period is that he appointed his own archbishops. In this way, he have to decide carefully.
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Because the US was the first to successfully develop an atomic bomb
Some things Andrew Jackson did to impact the economy in America is in 1833, Jackson retaliated against the bank by removing federal government placed money in state banks or as he said “pets.”As federal income from land sales fly, Andrew Jackson saw the time to fulfill his dream of paying off the national debt and make it possible which he did in early 1835.
September 14, 1814
On September 14, 1814, Francis Scott Key pens a poem which is later set to music and in 1931 becomes America's national anthem, “The Star-Spangled Banner.” The poem, originally titled “The Defence of Fort M'Henry,” was written after Key witnessed the Maryland fort being bombarded by the British during the War of 1812.