It was the groups "Hezbollah" that used terrorism in the late twentieth century. This was mainly done through intimidation by the ruling class over the lower classes.
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.
Answer:In the 1800s
Explanation:In the 1800s, nationalism served as a unifying tool, a tool to persecute "others" within a nation, and a force which amplified political tensions in Europe and would eventually lead to war.
Answer:
I think all are true except b.
Explanation:
A is true and C is also true but I am not so sure about B but I think the most discovery in past were done in Northern hemisphere than western.