What did city-states in Sumer have in common? They shared the same laws.
They were centers of trade.
They were all ruled by one king.
They were home to millions of people.

this defines the ability for a flex item to grow if necessary. it accepts a unitless value that serves as a proportion. it dictates what amount of the available space inside the flex container the item should take up.

give brainlest

it is in memorial of the independence day