Explain the problems the United States encountered delivering the supplies.

no gas car breakdowns potholes flooded roads

Explanation:

a. the moon was locked into orbit by the earths gravity as it was passing by and capture hypothesis i think

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.