US growth accelerated during this time "<span>b. during the industrial Revolution". The United States along with Great Britain was one of the power houses of the Industrial Revolution, which increased output and subsequently GDP greatly. </span>
The iron and textile industries played just 2 roles in the Industrial Revolution, textile were originally made by hand in peoples homes when the textiles industry evolved into factory work that became increasingly uniform. When the iron industry took hold a cheaper, easier method to produce cast iron was found. Both iron and steel became essential materials, used to make appliances, tools, ships, buildings.
They both talk about the freedom of black people and the emancipation proclamation falls under the freedom of black people