How was Gustavus Swift able to ship fresh meat from his Chicago plant to cities in the East without it spoiling?

By using newly built, faster steam engines

By using refrigerated railroad cars

By packing the meat in special sealed cans

By shipping only during the coldest winter months

What was a major combined effect of inventions like the typewriter, refrigeration, and new household appliances?

They caused a rapid decline in the agricultural industry across the country.

They led to a significant decrease in the number of patents being filed annually.

They improved both the efficiency of businesses and the quality of life at home.

They made the United States more economically isolated from the rest of the world.

It allowed fresh meat and produce to be shipped safely over long distances, expanding dietary options.

It led to the creation of the first canned foods, which were primarily used by the military.

It made imported spices from Europe much more affordable for the average family.

It decreased the overall cost of growing staple crops like wheat and corn on large farms.