The assertion that the United States cannot coexist with socialism is a matter of debate and opinion. While there are certainly individuals and groups in the United States who are opposed to socialism, it is important to note that the country has a long history of incorporating socialist principles and policies into its political and economic system.
For example, many of the social welfare programs and public services in the United States, such as Social Security, Medicare, and Medicaid, are often seen as incorporating socialist principles of government-funded social support and collective responsibility. Additionally, there are many political and social movements in the United States that advocate for greater socialism, such as the Democratic Socialists of America and various labor unions.
However, there are certainly individuals and groups in the United States who are opposed to socialism and see it as a threat to individual freedom and free market capitalism. There is ongoing debate and disagreement about the appropriate role of government in the economy and society, and the extent to which socialist ideas and policies should be incorporated into the American system.
Ultimately, the ability of the United States to coexist with socialism will depend on the country's ability to balance individual freedom with social welfare, and to find a system of government and economics that is able to meet the needs and aspirations of its diverse population.