The state is Michigan, its capital is Lansing
Not sure if you still need it but the answer is (c) new cities were built along the shores of the Great Lakes.
Probably the most important invention which drastically increased efficiency in industry was the invention of and subsequent use of the production line.
The production line had a major impact on efficiency in factories and lead to a much greater output. This enabled factories to produce much more goods as they did before, enabling more sales.
Explanation:
The number of people living within the city boundaries fell from around 440,000 in 1951 to about 390,000 in 2002. By November 2019 the number of people living within the Bristol local authority area was over 463,000, an increase of 35,000 from the 2011 census.