When World War I broke out in Europe in 1914, industrialized urban areas in the North, Midwest and West faced a shortage of industrial laborers, as the war put an end to the steady tide of European immigration to the United States
Because mesopotamia had a lot of empires
1. During the Second World War Margaret Hutchinson Rousseau<span> oversaw the design of production plants for the strategically important materials of penicillin.
For the first question, the answer is B. </span><span>penicillin
2. </span>An entrepreneur is best defined as a person who <span>takes financial risk to try new business ideas. The answer is D.</span>
Answer:
Agglomeration economies.
Explanation:
Agglomeration economies, also known as external economies of scale, consist of the advantages of focusing output and residence in some specific areas. If some particular area produces certain kinds of goods, all firms can take advantage of many factors like networks for the supply of goods, workers, transport, and a proper infrastructure for the industry.
