Which statement best summarizes the consequences of US intervention in Guatemala, Iran, and
Lebanon?
A. The United States successfully brought democracy to all three countries
B. The United States stopped all three countries from becoming communist and made them more
stable
C. The United States stopped the spread of communist influence, but it sometimes destabilized the
countries in the process

The United States stoped the spread of communist influence ,but it sometimes destabilized the countries in the process

Explanation:

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.