Before the creation of the railroad in the United States, many farmers would take their products to town themselves, but after the railroad came to be, farmers could ship their products to far away locations without having to leave their farm. <span />
They spread fast because their ideas were expanded after they were discussed at salons. -Catherine the great helped spread these ideas becasue she worked with enlightenment thinkers and was friends with them.
It should be the second & fourth choice. the term "total war" means that countries mobilized all their national resources in order to commit to the war effort: everyone was involved. this meant that all factories were producing war materials and the government was planning production quotas and food rationing for normal civilians at home. total war required a unified effort.
Answer:
Enslaved people often had to do physical labour.
The first battle of Britain was the major campaign fought by the entire air forces and was also the largest and most sustained battle .the battle of Britain was marked as the first defeat of hitler's militry.