As an American, it is not hard at all to get Monero. Cracking has it, and it is a centralized exchange, Haveno has it and its a DEX, And you can still buy any coin on a centralized exchange and convert it extremely easily. As long as any cryptocurrency at all is available in the United States, Monero will be available in the United States. Also, as long as the tor network is available in the United States, Monero will be available in the United States.