I would say all of the above except the last option. "Dirty conditions led to disease "
Answer:
Ninety percent of the nation's oil business is controlled by the Standard Oil Company. John D. Rockefeller (1839-1837) was the was the owner od the Standard Oil Company. He built the oil empire in America becoming in a monopoly that controlled 90% of pipelines and refineries by 1880.
Explanation:
Answer:
Christianity
Explanation:
Christianity is a religion based on the teachings of Jesus Christ.