Why had transportation made so few improvements?

people and goods did not travel far.
the new transportation was too expensive for the common man.
the technology was not available.
transportation had improved in europe but not america.

2points which option best completes the diagram? humanitarian aid as a tool of foreign policy the united states provides humanitarian aid to rebuild after an earthquake. the country supports u. s. interests. o a. more educated citizens are more likely to create a democratic government o b. the citizens and government have a positive attitude toward the united states. o c. more prosperous citizens have money to spend. o d. the country's government discovers a new natural resource.