In regents v. bakke, the supreme court struck down the use of racial what as a way to reduce inequality in schools or workplaces.

Quotas is your answer, hope this 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.

the correct answer is d- trough trades

i did a test and got it right

hope it ! : )