Select all that apply. Four causes of the Great Depression included:
a weak national economy
agricultural overproduction
an imbalance of foreign trade
stock market stability
coverextended credit

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

4 copper and gold, the california gold rush is why im pretty sure.