Read this sentence from the Tuesday, April 27, 1943 entry in Anne Frank: The Diary of a Young Girl. Such quarrels that the whole house thunders! How does the word thunders affect the meaning of the sentence?

I guess you could say it give a sense of suspense, you don't know what's going to happen.

Explanation:

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers