Why does Channing think that Americans are wrong to boast about this

The correct answer to this open question is the following.

Although there are no references attached, we can say that Channing thought that Americans were wrong because they boasted about their rapid growth. We are talking about William E. Channey (1780-1842), an American preacher who was known for the passion of his speeches and the eloquence in his teachings about the one God. He was one of the most important preachers in what was known as "Unitarianism," the prominent figure of Almighty God over the son and the holy spirit.

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d