Because he found out to make great cool discoveries the the invenstion of the bomb, but other scientists turned his discovery into a atomic bomb, which he thought was wrong. Thye soon blast the bomb on a country and he tried really hard to stop them but they didnt listen, soon countries developed their own bombs and shooted at the other countries threatiing them/
The answer is continental association
Thus, the pharaohs were known as the rulers of the Two Lands, and wore the pschent, a double crown, each half representing sovereignty of one of the kingdoms. Ancient Egyptian tradition credited Menes, now believed to be the same as Narmer, as the king who united Upper and Lower Egypt.
1) Students learn easier
2) child brain development is increasing
3) tests are improving