How did the industrial revolution affect business a. social harmony among classes was promoted b. production and shipping costs were high c. business people began to invest money d. new technology made production efficient

D. New technology made production efficient.

Explanation:

The Industrial Revolution introduced inventions that highly increased production efficiency. For example, the steam engine significantly lessened the time needed to create some goods. A higher efficiency in production allowed to reduce labor costs and, therefore, decrease prices, giving a whole new level of customers access to certain products.

i think it would be c.

hope i'm correct

explanation:

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries