The first three main European Countries that colonized North America were "Britain, Spain and France".
<u>Explanation:</u>
In pursuit of riches Europeans migrated to North America and broadened their impact on world relations. Christopher Columbus's Spanish expedition was the first Europeans to discover this new land, and the first to colonize what is now the United States. Nearly 1000 A.D. The Vikings moved from the British Isles to England and set up a settlement in North America.
In colonizing North America, the French preceded the other two nations. Spain settled in Mexico and Florida along the west coast. Great Britain settled eastern coast where the thirteen colonies were established. France was settled throughout the Great Lakes and the thirteen colonies to the west.
they conducted thorough scientific experiments
Commissioned as a Major in the British Providence of Virginia. Was also an ambassador from the British to crown the French officials and some of the Indians who lived further north, which would be modern day Pennsylvania.
Answer:
As more railroads were built, it helped to expand the nation and the West Industries cropped up in the West and used the railroads to link industry to markets in the Eastern part of the nation.