Railroads made transportation of materials, supplies, etc much faster and easier.
Canals (such as the panama canal) helped make water transportation easier and quicker.
Roads made everyday travel easier
Answer:
The development of trade brought prosperity across the land. Ancient Egyptians no longer had to depend on agriculture as their only means of livelihood.
Explanation:
It helped the US Government to adapt to Modern Day times. The Elastic Clause grants the government powers that allow it to adjust to modern day society.
Rough Riders
The most famous of all the units fighting in Cuba, the "Rough Riders" was the name given to the First U.S. Volunteer Cavalry under the leadership of Theodore Roosevelt. Roosevelt resigned his position as Assistant Secretary of the Navy in May 1898 to join the volunteer cavalry.
Hope this helps :)