Trump also noted that "at the appropriate time, we'll get involved."
Trump met with his national security team on the situation in Syria later in the day and "no final decision has been made," the White House said in a statement.
Trudeau also made other changes. Dozy days that saw the 47-year-old leader do one or two events are gone, replaced by a last-week frenzy.
Trump said he and Putin talked about the issue of adoptions between Russia and US.
Trump called his plan a "win-win" for Israel and the Palestinians, and urged the Palestinians not to miss their opportunity for independence. But Abbas, who accuses the US of bias toward Israel, rejected it out of hand.
Trump's refusal to sign the bill into law also derived from the inclusion of a provision that requires Confederate military bases to be renamed within three years.
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Trump also said that he looked forward to meeting with Kim, hoping "that will be a success." The Trump-Kim meeting has been planned to take place in May or early June.
Trump said he would be ending joint military exercises between the United States and the Republic of Korea.
Trump has pledged to build a wall on the US southern border with Mexico and has been fighting with the US Congress for funding for building the wall. He even said that he wanted Mexico to pay for it.
Trump said at the beginning of expanded discussions with aides from both countries that "We will solve a big problem" and "a big dilemma." He talked about the pair achieving "tremendous success together" and predicts that "it will be successful. It will be done."