The purpose of a agrumentative essay is to defend a debatable position on a spefic issue so the last one is the answer.
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:
Monoculture means one crop. Bees are important to our society as they pollinate fruits and vegetables which creates more food supply. Without them we wouldn’t have as much food or clothing and prices would be much higher for food and products.
