What was the purpose of military alliances at the end of the 1800s? (A) to fight wars
(B) to get back lost land
(C) to secede from a country

A

Explanation:

to support each other in a case of a war

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