Why would firing the joint chiefs of staff look so bad for jfk even as they defy his orders?

Because he did not want it to appear that the country's administration was in disagreement.

Explanation:

It is expected that all those who run the country will be in agreement with each other, if this is not shown to the public the government will show a weak appearance and the president can be seen as unprepared for the position. For this reason, Kennedy did not dismiss the heads of joint team, so that his popularity, as governor, did not stop due to rumors of disagreement between the members of the administration.

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.

letter a is the answer