The main purpose of the legislative branch is to

To make laws

Explanation:

The legislative branch of government is the one responsible for making laws. This branch is usually made up of representatives of the people who gather together in order to deliberate on the needs of the people and new laws. This is one of the three branches of government in the United States, the other ones being the judicial and the executive branches.

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.