Johnny was brave because he went back into the building for the children.
The second alternative is correct (B).
"Gold in California ignited interest in a railroad to reach the West. However, Americans disagreed on where to build the railroad."
The use of the conjunction "however" in this context connects the two sentences with a contraposition, giving the exact meaning for the continuity of the text. In this way, it became clear that there was a need to build a railroad, but there was no unity among Americans about where to build the railroad.
Answer:
The excerpt presented allows readers to approach a “forbidden door".
Explanation:
In "Danse Macabre", Stephen King describes how society influences the horror genre. Be it in books, comics, films, etc. He explores the history of the genre and how real life situations are the consequence of that history.
In this case, King is pointing us to a "forbidden door".
"(...) he peered into the darkness."
"(...) he could resolve this mystery. He swung his legs to the floor with conviction."
The character is going into the darnkess to solve that mistery. He is going to cross that "forbidden door".
Answer:
1. Emerson now outlines three main points concerning our use of nature's beauty: its medicinal qualities, its spiritual elements, and its intellectual properties.
2. This metaphor shows how humans and nature act differently. Emerson says that humans are “ashamed” of their own thoughts and feelings, and he then goes on to point out that nature is never “ashamed.” He calls for humans to return to their natural state and to stop overthinking and worrisome behaviour.
I do apologise, but I do not have the answer to your third question.