Which is an accurate statement about the aztec empire?

a.
it created a vast system of roads to link its mountainous empire

b.
its capital city tenochtitlán was built on an island in the middle of a lake.

c.
it was the earliest civilization in the americas.

d.
it extended from southern mexico across belize and guatemala into parts of honduras and el salvador.

battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation:

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.