Although southern mesopotamia is a hot, desert region, why was it able to become the cradle of civilization? select all that apply. a. nomads developed aggressive herding techniques. b. flooding of the tigris and euphrates rivers brought good soil. c. farmers developed technology for irrigation. d. tribes built deep wells and extensive cooling structures for crops. e. engineers developed ways of extracting usable fresh water from the salt water of the persian gulf.

i pretty sure B E C hope it helps

Explanation:

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.