Why did railroads leaders consolidate their lines in the 1880s?

a. to reduce competition and increase efficiency
b. to keep from becoming " too big too quickly"
c. to ensure vertical integration
d. to increase rapid construction of railroad lines.

What effect did the lawpassed by parlament have on the .

What statement about risks in social and behavioral sciences research is most accurate: anonymizing data effectively manages the risk of creating emotional distress.risks are specific to time, situation, and culture.there are never any risks.if a study offers potential benefits, it is not necessary to minimize risks.

Thomas jefferson was alarmed by the fierce debate over warning americans about its threat to national unity. 1.) slavery 2.) the powers of congress 3.) the missouri compromise 4.) escaped slaves