BEIJING, Feb 10 (Reuters) - The United States is violating the principles of market economy and international trade rules in considering a ban on Chinese citizens buying property in the United States, the Chinese foreign ministry said on Friday. Texas, Florida, Arkansas and several other states are weighing legislation that would bar Chinese citizens from buying real estate, according to several reports, as tensions rise between the United States and China over national security issues. Texas, Florida, Arkansas and several other states are weighing legislation that would bar Chinese citizens from buying real estate, according to several reports, as tensions rise between the United States and China over national security issues