The increased deployment of railroads in the 19th and 20th centuries had several effects. From the answers below, what was NOT an effect of the increased deployment of railroads?

a. Establishment of time zones
b. Increased use of coal
c. Increased deforestation
d. Development of the light bulb
e. Development of the telegraph

Explore the ways that boundaries influence identity, interaction and exchange. things to consider: what is the race/ethnicity. how easy is it to interact/trade with others.

Astate's representation in the u. s. senate is based on a) equal representation. b) the state's population. c) the state's electoral votes. d) the size of their major cities. this independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren cthis independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren commission (wc) b) federal election commission (fec) c) equal opportunity commission (eoc) d) securities and exchange commission (sec)

The dashed segment of the plotted experiment in the graph in the lesson is called an