How did the Fair Labor Standards Act, passed as a result of Progressive Era activity, protect children in the workforce? It kept children from working in factories.
It established a minimum working age for children.
It required that children be trained to protect against injury.
It mandated that children receive an education while working.

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.