Where were most telegraph lines built during the antebellum era? along waterways
along rail lines
along subway lines
along roadways

What two bodies of water were connected by the panama canal

According to the qianlong emperor, why was china not interested in importing anything else?

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste