Christopher Columbus first arrived in the Americas during 1492, taking the three ships, the Nina, the Pinta, and the Santa Maria.
He sailed to the Americas hoping to find a new trade route to India, from Britain, to be able to trade spices over the sea, rather than making the long trek across Asia.
He made four voyages exploring the Americas in his lifespan.
Answer:
Among the options given on the question the correct answer is option A,
It helped trains run on schedule and avoid collisions.
Explanation: The multiplex telegraph is a device which helped the train in 18th century to run without collision and on schedule.The multiplex telegraph was invented by the Granville T. Woods in 1887.
During that time the train collision was a big problem which caused lot of damage of both life and resources. The reason of the problem was the dispatchers of the train could not communicate with each other easily while controlling the rail way traffic. So the accidents were very common.
But the invention of multiplex telegraph helped the dispatchers to communicate with other dispatchers in different stations.
So, this invention made the rail road safer in 1800s by helping train to run on schedule and avoid collisions.
The Cherokees.
If you need it , the trail was called "The Trail of Tears".
Answer:
The wall symbolized the lack of freedom under communism. It symbolized the Cold War and divide between the communist Soviet bloc and the western democratic, capitalist bloc
Explanation:
i got this from https://gwtoday.gwu.edu/remembering-berlin-wall#:~:text=Professor%20Harrison%3A%20The%20wall%20symbolized,the%20western%20democratic%2C%20capitalist%20bloc.