Answer:
D-building comes and inventing concrete
Explanation:
The Roman Concrete was used from the late Roman Republic to the end of the Roman Empire. It was used to build monuments, buildings, roads, and bridges. The formula of the Roman Concrete was a mix of lime or gypsum, brick or rock pieces, and water. This concrete has been known to be more resistant than modern concrete.
<span>The answer if B. All
white males should be allowed to vote. This
happened around 1800 to 1830. At this
time older states dropped their restriction policies and new states did not
have such policies. It was well-accepted
movement. The only problem was in Rhode
Island during the Dorr Rebellion in the 1840s where people had to be forced to
go to the polls to vote. Still, during
this period, voter’s turnout increased rapidly by 80%. Even the introduction of the national
convention by the Anti-Masonic Party who were opponents of Jackson that chose a
party’s president and vice president also helped increase votes.</span>
Those elements are:
sulphur
chlorine
argon
neon
carbon
oxygen
helium
silicon
calcium
hydrogen
nitrogen
sodium
fluorine
lithium
aluminum
9 of these elements were known during BCE periods. The knowledge of these basic elements is enough for humanity to start the industrial revolutions by leveraging and combining one elements with another as a catalyze to be included either as ingredient of the products or to speed up the production process.
