The correct answer to this open question is the following.
You did not provide any excerpt, text, reference, or context to answer this question. That makes it difficult to exactly what you are referring to.
However, trying to help you and doing some research we can say the following.
One historical event or development in the period 1830 to 1860 that is not explicitly mentioned that could be used to support Hahn’s interpretation is how the United States became the engine of the ecom¿nomy of the planet because of its industrial capacity. How the Gross Domestic Product grew and the many opportunities the US offered to immigrants to work in major industries such as the Standard Oil Company of John F. Rockefeller, or the Steel company of Andrew Carnegie.
Innovations and the use of technology helped industries to earn more profits and invest that money in the creation of jobs and the spread of their operations nationwide.
Answer:
Health Service
Sales Service
Social Network
(They all require a request to return a result)
Answer:
Only the iPhoto software is replaced when updating to the new version; your library of photos is not touched.
Explanation:
Answer : The circumference of circle is, 94.2 cm
Explanation :
Formula used for circumference of circle is:
Circumference of circle = 
where,
r = radius of circle
Given:
Diameter of circle = 30 cm
Radius of circle = 
Now we have to determine the circumference of circle.
Circumference of circle = 
Circumference of circle = 
Circumference of circle = 94.2 cm
Therefore, the circumference of circle is, 94.2 cm
My answers would be a/ withholding judgment. c/suggest that a student meets a school councelor. d/ Recognize that nobody chooses to be mentally ill