Which of the following was the primary cause of the natural disaster on the great plains known as the dust bowl?

a. dam building
b. crop reduction
c. black blizzards
d. prolonged drought

if you are talking about current time the answer is no

if you are talking about when the colonies were developing the answer is yes

1775 is your answer hope this

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.