Answer:
After the Industrial Revolution, increasing numbers of people moved to cities. Men, women, and children began to work in factories, putting in long hours in difficult and dangerous conditions.
Explanation:
the sputnik launch because american's feared that it was a Russian weapon so the american government started projects to beat Russia to space
The most correct answer here would be Eurasia - B
The Silk road expanded all the way from Europe through mainland China. This was a vast network of roads, established trading paths and points along which people were going throuh on their way from either Europe to Asia to trade or the other way around; from different places in Asia to travel to Europe and trade their goods there.
To protect soldiers and supplies from US bombing the Vietcong built underground bunkers.
