During the bronze age the development of hieroglyphics by the egyptians allowed them to?
a. smelt metal into stronger tools and weapons.
b. communicate using written language.
c. improve waste removal systems in urban cities.
d. developed government in patriarchies.

How did african americans the union during the civil war? a. by serving as representatives in congress b. by enlisting in the military to fight c. by organizing massive slave revolts in the south d. by negotiating for peace with the confederacy

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.

What are some inventions during the han dynasty?