In the early 21st century, the united states sent troops to both afghanistan and iraq to

the answer is "focused on"

lol gave an answer 1 week that's the answer for those who need it in the future xd

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.