By Conquering most lands around greek
1960
Between 1945 and 1960, three dozen new states in Asia and Africa achieved autonomy or outright independence from their European colonial rulers
Early civilizations such as Mesopotamia and Nubia emerged in regions that had fertile river floodplains. The correct option among all the options given in the question is option "B". The fertile river floodplains made irrigation possible and people of those civilizations did not need to hunter gather. This made them to settle down and the civilizations started.
Financially helped Egypt build a dam.
Answer: The Star Spangled Banner
Explanation: The Star Spangled Banner was written by Francis Scott key on September 14 1814.
