Which answer is NOT a characteristic of river valley civilizations? a. Advanced technology
b. Specialized workers
Advanced cities
d. Complex communications
C.
which civilization invented moner from

complex communication

by 1890, the united states had by far the world's most productive economy. american industry produced twice as much as its closest competitor--britain. but the united states was not a great military or diplomatic power. its army numbered less than 30,000 troops, and its navy had only about 10,000 seamen. britain's army was five times the size of its american counterpart, and its navy was ten times bigger. the united states' military was small because the country was situated between two large oceans and was surrounded by weak or friendly nations. it faced no serious military threats and had little interest in asserting military power overseas.

answer: to put them in the gas chambers

explanation:

and rpe them