US President Donald Trump on Monday defended the decision to withdraw American troops from war-torn Syria. <br />''<br />''<br />''In a tweet, Trump said, during the 2016 presidential elections, he had promised that the US would get out of Syria and other places. <br />''<br />''<br />''Trump said that there is no need for US troops in Syria after the defeat of the Islamic State.<br />''<br />''<br />''Trump's decision to withdraw troops from Syria has been widely condemned by US lawmakers and the influential think-tank community. Defence Secretary James Mattis too resigned in protest. <br />''<br />''<br />''<span style="color: #222222;">The US has some 2,000 troops in Syria, which will gradually return from this war-ravaged country.</span><br />