Why was there a need to reform transportation (social

According to nationalists, a nation-states government should be a. controlled by european monarchs b. led by an appointment president c. voted on by european parliaments d. chosen by that nation-state

Which answer best describes the u.s. national road? it ran from atlanta to baltimore and followed the railroad. it ran from new york to chicago and was made from wooden planks. it ran from massachusetts to ohio and ran parallel to the canal system. it ran from maryland to illinois and was made using macadam construction.

Search america's open door policy with china beginning in 1899. explain how relations with the united states and china have changed and the effects of the open door policy on both countries.