… Beside general political risks to trade between China and the U.S., there were the specifics of governmental incentives. The boom in solar development in Europe was the result of … Beside general political risks to trade between China and the U.S., there were the specifics of governmental incentives. The boom in solar development in Europe was the result of … Beside general political risks to trade between China and the U.S., there were the specifics of governmental incentives. The boom in solar development in Europe was the result of …