The correct answer should be Elevated trains and subways replaced horse-drawn trolleys
Then, with the invention of the steam engine, electric motors and engines powered by the burning of fuels, ground transportation began to be performed by trains, cars, buses and trucks, among other vehicles.
Every day the means of transport are modernized more, gaining greater speed, efficiency and comfort.
Answer:
The Allies described the wartime military alliance of Germany, Austria-Hungary, Bulgaria and the Ottoman Empire as the 'Central Powers'. The name referred to the geographical location of the two original members of the alliance, Germany and Austria-Hungary, in central Europe.
The number of electoral votes for a president is equal to "<span>D. the number of representatives and senators from the state," since this helps ensure fairness regarding the population of each state. </span>
It was said, according to Zhou Enlai, that the main effect of President Nixon's visit to China as he strengthens the ties between the United States and China, was that "it <span>bridged the vast ocean in the world, twenty-five years of no communication." The ties between China and US at that time are unfriendly since China was an ally of the Soviet Union at the course of the Cold War.</span>
