In the nineteenth century, why was it more necessary for art to provide accurate representations of life and objects?

Realism, sometimes also known as "naturalism." It was an attempt to provide accurate representations of life and objects through life. The Realist painters rejected Romanticism which dominated French literature and art, hence the realist art was necessary during the 19th century.

the percentage of students at the school need special diets is

c) 10 percent

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.