Bangladesh, May 19 -- The United States and China both hardened their bargaining positions on Monday (May, 13) and now face a deadlock over their trade negotiations. US President has warned China to act now to strike a trade deal or face much worse terms if the deal is negotiated after his re-election in 2020 of which he appears to be quite confident. China responded by saying that it would not swallow any "bitter fruit'' that harmed its core interests. The essential reason for the breakdown of the talks lies in the fundamental differences in the positions both the sides have taken.

The key issue, among others, that led to the breakdown of talks centred around the lifting of the tariffs imposed on Chinese goods on which an agreement was re...