Investment in social infrastructure

Technological breakthroughs

Expansion of the secondary sector

Increased urbanization

Focus on textile production

service-based economies

boom and bust economic cycles

cottage industries

homestead communities

agricultural economies

Quinary

Quaternary

Tertiary

Secondary

Primary

service-based economies

boom and bust economic cycles

cottage industries

homestead communities

agricultural economies

Factory workers were no longer living on farms and needed a stable food supply.

Canned foods were easier to transport with the invention of the steam engine.

The mechanical "canner" made it easier to preserve foods without using salt.

Selling canned foods was an easy way for farmers to double their income.

Canned foods were necessary to feed American soldiers in the war.

Quinary

Quaternary

Tertiary

Secondary

Primary

Factory workers were no longer living on farms and needed a stable food supply.

Canned foods were easier to transport with the invention of the steam engine.

The mechanical "canner" made it easier to preserve foods without using salt.

Selling canned foods was an easy way for farmers to double their income.

Canned foods were necessary to feed American soldiers in the war.

Factory workers were no longer living on farms and needed a stable food supply.

Canned foods were easier to transport with the invention of the steam engine.

The mechanical "canner" made it easier to preserve foods without using salt.

Selling canned foods was an easy way for farmers to double their income.

Canned foods were necessary to feed American soldiers in the war.

Henry Ford

James Carnegie

William Rockefeller

Robert Fulton

Alexander Graham Bell

Quinary

Quaternary

Tertiary

Secondary

Primary