Local governments would be most likely to deal with which of these issues?
a) water and utilities issues
b) interstate construction
c) the constitutionality of laws
d) mobilizing the militia

Explanation:

Interstate means within the state. A municipality would not be granted that much power to deal with neighboring communities. A is false.

Constitutionality of laws. Municipalities generally make regulations. Some of the things they do does become a constitutional issue. (Drinking out water fountains determined by color), but by and large this is not the answer.

They have no power over the malitia. That is a state's right.

The answer is A.

it allows shippers to carry commercial goods, which allows them to save time and money.