A characteristic of expressways that helps to prevent head-on collisions is the:

What is it called when countries build lots of weapons to store and them in case of a war?

Which best describes the purpose of the south carolina exposition and protest, which was written by john c. calhoun? a) to explain why the south was nullifying the tariff of 1828 b) to describe the ways the tariff of 1828 would southerners c) to persuade northern states to rebel against the federal government d) to ask england for if the south decided to secede from the union

1. describe the concept of the unitary executive. discuss whether this concept is practical.