Archaeology is the answer
An important scientist at the time, besides, those who were mentioned was Copernicus - A.
Spartacus was just a slave general in the Roman republic.
Rousseau was a philosopher.
Plato was a philosopher as well.
The correct answer for that reason is Copernicus, he was an astronomer and a major figure at the time.
The Virginia Plan proposed a government where the amount of representation a state would have in the government would be based on that state's population. This idea was not popular among smaller states because they would have less representation. However, the idea in the Virginia Plan is still in place today because our House of Representatives has representatives based off of population while the Senate has equal representation among the states with each state having two representatives.
The correct answer is D)macadam. Macadam was an invention keyed by a Scottish man who changed the way we view paving of roads and highways. Macadam is a mixture of small stones crushed together with asphalt, the sticky, black material used for both concrete and macadam. The name Macadam comes from the engineer's name, which was John Loudon McAdam. There had been other attempts at macadam before McAdam, but McAdam improved it and his was the first to arrive in the United States.