Yes, the US is ready to use all its sanctions tools against China if Beijing takes aggressive actions against Taiwan.
In the United States, the question is being discussed that China will in any case, in 10-15 years, go to the separation from the global financial system. Therefore, they are simply trying to be proactive and cause social instability in China

Chinese operation to retake Taiwan was allegedly planned for fall 2022, Newsweek reports
China is preparing for sanctions. Will his fate await Russia?
Sanctions against China will affect the United States more painfully than anti-Russian ones - National Interest
Yellen Says U.S. Would Use Sanctions If China Invaded Taiwan
China Planned Taiwan Invasion in Fall, Alleged Russian Intel Leak Claims
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At the moment, the price is speculative and depends only on negative and positive news related to the currency

Currently no
The yuan is not a freely convertible currency. It can only buy Chinese goods.

The PRC is the world leader in the production of most industrial goods. This is facilitated by the weak exchange rate of the yuan against the dollar. If the yuan becomes the world's reserve currency, it will strengthen against the dollar, which means that China's industry will lose its competitive advantages.
Can the yuan replace the dollar?
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Yes, China is transferring harmful production and incomplete assembly to Russia. Key components such as sensors, control electronics, and scientific developments remain in China. China is not interested in creating a competitor in Russia. Moreover, China is about to be sanctioned.
Like the former European factories in Russia, Chinese factories are simply assembly plants working for the Chinese economy. That is, the research, engineers and key components of the production are located in China.

Russia will be even more dependent on China, because in the event of China's withdrawal from Russia, it will not be able to establish production at Chinese factories. The situation will repeat as with European factories. Their own engineers and developments are not funded.
Trouble from the Celestial Empire. The Chinese are preparing to transfer environmentally dirty enterprises to Russia
Why is China building factories in Russia?
Accuracy 20
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