isaac newton found out how gravity works.
galileo found out how stars moved and mapped them
copernicus found that the sun was centered in our solar system
Encomiendas are a grant by the Spanish Crown to a colonist in America conferring the right to demand tribute and forced labor from the Indian inhabitants of an area.
Corrupt leaders made the democracy of Rome compromise itself and led to monarchy and then sometimes to ruin
Explanation:
The Democracy of Rome had many intricacies that excluded a number of people from ever participating and made it in a way an exclusive group that could ever hope to hold political power.
This made it easier for the government to be very corrupt and they had very little accountability.
The people became dissatisfied and thus many times supported the foundation of monarchy or even found the city in state of civil war multiple times in centuries.
D. The poor living conditions of the working class in industrial cities
Explanation:
Lincoln Steffens is remembered for his work on the corruption and the life of working class in industrial America which he compiled in his book called the Shame of the City.
It delved into the deep seated corruption and systemic exploitation which was rampant in the big industries of the country which were booming with profits but were designed to exploit the common man.
His study on the exploitation on the working class was instrumental in getting more worker rights for them.
