Gregor Mendel discovered A.) how evolution occurs.
B.) how heredity operates.
C.) why humans evolved.
D.) all of the above.

What impact did company towns have on working conditions? company towns were ideal places to live because of the cheap prices of company stores. entertainment value in company towns made them attractions for those in rural areas. education provided by company towns workers to progress in the company. conditions in some towns indebted workers to trap them in the labor system.

The 15th amendment to the u.s. constitution, ratified in 1870, deals with what issue? a. prohibition of alcohol b. voting c. declaring war d. free speech

The articles of confederation allowed congress to: make and borrow money. declare war. create a postal service. all of these choices are correct.