Some of the effects were 1 new plants were discovered
2 most of the native americans were killed
3 the lands were renamed
This was Horace Mann. He helped create and design the first educational system in the United States, he was the Massachusetts' Secretary of the Board of Education and he started the "Mann's Six Principles", which were his thoughts of how he would choose decisions. He did a lot for schooling and shaped it how it really is today.
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You can use fossils to study the old days or older versions of objects
Answer:
Explanation:
There are several, but historians argue the most terrifying event for the US was the Soviet atomic bomb detonation.
September 1949, the Soviet Union exploded its own atomic bomb and this shocked the U.S. because now both nations could destroy each other. -This was the world's first human-made satellite.
The second event was the cold war. The main reason why the United States was fearful of the Soviet Union in the "Cold War" was because the US was afraid that communism would spread around the world and ultimately to the US--which they viewed as being a threat to their way of life.
