The year 1519 is considered a major turning point in texas history for what reason?

a) that was the year san antonio was founded.

b) that was the year texas became independent from mexico.

c) that was the year mexico became independent from spain.

d) that was the year texas was first mapped by european explorers.

pl hurrryyy

Texas was the first region to be mapped by European explorers in the year 1519.

Option(d);

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.

1 > george s. boutwell

2 > general ulysses s. grant

3 > james a. garfeild

4 > adolph e. borie