In 1789 how big was the united states compared to its current size

During world war 2 mexican workers came to the united states as part of the

How are the perspectives presented in the excerpts similar? they show the disappointment and fear mission control workers feel when the lunar module develops problems. they show the huge investment of time and energy mission control workers dedicated to the lunar module. they show how mission control workers view the lunar module as if it is the workers' very own child. they show the relief and excitement mission control workers feel when the lunar module lands on the moon.

The information box says that the han added 4,000 miles of wall.refer to the mileage scale.how can this be true?