To check the pressure in a system, gages must be connected to the system without allowing , , , to enter.

i believe the answer would be 1.

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.

i would say your answer is a)

sorry if im wrong

it increased the power of the king of england.