Which early explorer mistook the Canadian River for the Red River and abandoned his mission in 1820? A. Stephen H. Long
B. John R. Bell
C. Zebulon Pike
D. James Wilkinson

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

yes.

explanation:

because it let the japanese know who had the upper hand in the war.

b is the answer i am assuming