Changes through rapid population growth, advancement in transportation, and factory system led to the industrial revolution which was the transition to new manufacturing processes in Europe and the US during the 18th and 19th Centuries. In this period agricultural societies transformed from agrarian and handicraft economies to industrialized societies dominated by machines and industry growth where the transcontinental railroads, cotton gin, electricity, and other inventions completely changed the lives of people.
Answer:
Federalism is mainly understood to be an organizational principle in which the individual members (member states) have a limited independence and statehood, but are united to a sovereign overarching federal state.
A federal state consists of sub-states that exercise certain (limited) competences under constitutional law that are not derived from the federal government as a whole. In addition to the state as a whole, the member states of a federal state therefore have their own, original autonomy over the population in their territory in terms of constitutional law.
B. Started to explore history though the perspectives of many different groups.
He was trying to find a water route west to Asia, but instead he found the Americas.
It was one of America's best trading routes, it was used as a commercial, military, and immigrant trail. And then in 18-something they started building it into a train track... I think.