The reconstruction era in the south came to an end because a. northern republicans agreed to remove federal troops from the south and give up on their support for civil liberties if southern democrats allowed rutherford b. hayes to become president. b. in 1876, state legislatures from around the south passed laws forcing the federal government to remove all troops immediately. c. the supreme court ruled that federal troops could not be stationed in southern states under the constitution. d. a referendum on the federal government's military presence was held in 1876 and a majority of americans voted to end the reconstruction policies. e. african americans had been granted full social, political, and economic equality in the south.

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

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.

the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation.