During the 19th century, the spread of factories throughout new england resulted in: a. improved water quality in the northeastern united states. b. a decline in the demand for new railroad construction c. fewer job opportunities for immigrant laborers. d. more american workers relocating to urban centers.

U. s. history i which statement is true? the missouri compromise ended slavery in the south. the compromise of 1850 eliminated slavery only in the south. the missouri compromise postponed the issue of slavery. the compromise of 1850 ended slavery in every region of the united states.

The biggest component / ingredient of summer time smog is

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is: