President Nixon is the first U. S. President to visit Communist China Chief Administrator Chief Executive Chief Citizen Chief Legislator Chief Diplomat Chief of Party Chief of State

Chief Diplomat

Explanation:

The President is the Chief Diplomat of a country which means that the president is the face of the United States to the world. The President is the one that negotiates with the rest of the world and speaks on behalf of the United States to the rest of the world.

In visiting Communist China, President Nixon acted upon his role as the Chief Diplomat and negotiated a new relationship with Communist China. A relationship which before his administration, had been hostile.

it's not the readmission

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.