In the Gold Rush of 1849, some one hundred thousand immigrants were lured to California by the promise of gold. Towns and businesses popped up to accommodate the growing population, but a problem remained: how to communicate across the vast reaches of the United States. Three businessmen thought they had an faster mail delivery via the Pony Express, a relay system of horses and riders. The Pony Express made its first delivery on April 14, 1860. Mail from St. Joseph, Missouri, reached San Francisco in just eleven days, rather than a month or more, which was standard for mail delivery at the time. The Pony Express was a short-lived solution, however. After just eighteen months, it was replaced by a national telegraph wire. What is the main idea of the passage?

The main idea of the text is to present how the Pony Express made communication in the US easier at a time when the country was experiencing a high growth rate.

Explanation:

The main idea of a text is the main subject that this text addresses and that will govern all the information presented during the text. In the text above, we can see that the main idea is the fact that Pony Express streamlined communication in the US and how this was very beneficial for the country's growth. That's because in the text, we can see that all the information turns on how the creation of Pony Express allowed the correspondence to be delivered much faster.

In Titus Andronicus, he uses words like "ruthless," "vast," and "gloomy" to describe forests is the correct answer.

Explanation:

Domain-specific vocabulary is defined as the word choice or language chosen and how it directly relates to the audience or the effect the writer wants to create. In this case, it means that if the author wants to prove that Shakespeare can select very precise words to describe the outdoors he must choose a passage or a series of words that illustrates it. Due to this, option C is the correct answer.