The first diaspora of the jews followed and was caused by

The Jewish proper diaspora began with the Babylonian exile in the 6th century BCE.

Explanation:

In 722 BCE, the Assyrians, under Sargon II, successor to Shalmaneser V, conquered the Kingdom of Israel, and many Israelites were deported to Mesopotamia. The Jewish proper diaspora began with the Babylonian exile in the 6th century BCE.

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"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

b. the passage of the equal rights amendment  

explanation:

this mean that anything that someone else could do they could do