Please tell me what "I think one country with nuclear weapons is one country too many." means.

Does "have infused" make sense in the sentence below? Memes have infused our culture to the extent that universities now offer degree courses on them.

Is the sentence below grammatically correct? They also say that I pounded the rice cake that the other guys kneaded and ate it.

In the sentence below, what does "to corrupt" mean? Do the two infinitives modify something? I find it extraordinary that the state politicians on both sides have somehow decided that this is in the interests of Sydney, New South Wales or Australia to corrupt the way the Opera House works, to corrupt the art integrity of the building.

Are the sentences below grammatically correct? Do they make sense? If not, could you correct them? When I casually turned on the TV and watched Princess Kako giving a speach in English, I found her speaking skills were not as fluent as returnee students'. However, I love her English because such students sound like native English speakers, not Japanese. Do you think I am partial to her?https://www.youtube.com/watch?v=_wpdx-5iDNw This is her speach.

Is the following sentence grammatically correct and natural? Your writing has some grammatical mistakes, but it is much improved.

Could you please tell me grammatical mistakes in the sentences below I have been reading such kinds of papers, books and magazines as a hobby before taking the test. This is because I like reading, whether books in English or ones in Japanese. The economist is so expensive that I only subscribe regularly to Time, in addition I read two paperbacks a month. These days I read history books and non-fiction about politics more than novels.

Are the sentences below awkward? If so, could you please correct them? First, please read the sentences aloud one by one. I repeat after you one by one. (When I start to take an English conversation lesson, I will say the above sentences to my teacher.)