Answer:
B).Electric power had to be made widely available.
Explanation:
When Thomas Edison developed the electric bulb, it was necessary for electricity to become available in homes and businesses in order for the public to consume his invention massively. In fact, electricity did not turn widely spread until the Second Industrial Revolution in the late nineteenth century, when it began to be used for street and home lighting.
Answer:
The idea of a gang system is that enslaved workers would work all day (traditionally, from sunrise to sunset) under the supervision of an overseer. Breaks for lunch and dinner were part of the system. This is opposed to the task system, under which the worker is released when his assigned task for the day is completed.
What kind of English is this for? So I write the correct summary.
Woman demanded the right to vote.