Which of the following is a scientific advantage in the field of sanitation a.) air travel

b.) text messaging

c.) wastewater treatment

d.) exploration

The rulers of the west african kingdoms expanded their lands by

What is one major goal of us economic foreign policy

Which of the following are details about the compromise of 1877? election results in a couple of states were in dispute and too close to call. samuel tilden would be given the win in exchange for the removal of federal troops. the presidential election was close between rutherford hayes and ulysses grant. it was agreed troops would leave the south in exchange for a hayes victory.