Soviets were placing missiles in Cuba and it was deemed as a threat because Cuba was close to the U.S.
The correct answer to this open question is the following.
Although there are no options attached, we can comment on the following.
The Committee of Safety destroyed the original intent of the Revolution in that Robespierre, as the Head of that Committee, ordered in September 1793 to hold the rebels and protesters and people that hoarded food, as part of the rebellion. Indeed, he ordered the use of military troops.
Robespierre was very upset and decided to implement the total war to increase the reign of terror in France and clash all intents of rebellion and solidify its dictatorship and absolute control.
It would be the development in agricultural knowledge/technology
Development in agriculture enable hunter/gatherer society to shift their behavior. Before this, they had to keep moving from one place to another in order to seek food to live.
After the development in agricultural knowledge/technology, the society now can stay in one exact place for a long period of time and relied on agricultural product as their main source food.
After living in one same place for a long time, the needs to build things to accommodate their living start to arise. They start to built several things and repeat the process every year. In the end, large cities were developed from the initially small hunter/gatherer society.
China was surrounded to the west by mountains and deserts. These geographical features kept China isolated from the rest of the world, allowing its civilization to flourish in isolation from Europe and the rest of the world until the development of the Silk Road.
Jrotc was established in the year 1916