Talk of a cold war with China and trade sanctions should help as well.
But no country has done so, in part because of fears about trade sanctions.
The trade sanctions, he also said, "would cost us this growing market and thousands of American jobs."
Two weeks ago, India was placed on a list of nations for possible trade sanctions.
Washington and Beijing have threatened each other with trade sanctions.
Early in a dispute he has been more ready to threaten trade sanctions.
Such a regime will get us much further - also in climate terms - than trade sanctions.
Trade sanctions will only increase the poverty and misery of the people.
International legal actions, such as trade sanctions increase child labour.
"We should not hold countries hostage to these issues by laying on trade sanctions."