The production of goods changed drastically due to the advancements made as a result of the Industrial Revolution. The most remarkable is that of assembly lines. Corporations, or factories, discovered the most efficient way to utilize their employees was to create lines of workers with a different task, in order from the first step and to the last step. When you have a building full of several lines of people completing this, production rates increase rapidly, as demonstrated through the Industrial Revolution.
The best statement to describe black participation in politics during Reconstruction is; Blacks participated in politics in very high numbers, with most states electing multiple African Americans to high ranking office within reconstructed governments.
The Florida Constitution has over 100 amendments, while the US Constitution has 27 amendments. I hope I could help! :)
Have a wonderful rest of the day.