Trump sent a letter to Congress explaining the attack on Syria

On April 8, President Trump sent a letter to the US Congress explaining the reasons for the missile attack on Syria. He said in his letter that if necessary, the United States is prepared to take further military action.
Trump explained how he was based on intelligence, ordered the attack on the Syrian airport. He then wrote: "According to the constitutional authority, I served as president, responsible for diplomatic relations, and served as commander-in-chief of the armed forces. Based on national security and the interests of US foreign policy, I have taken important action. If necessary, for the national interests of the United States , The United States will take further action. "
Trump launched the missile attack on Syria, has not been authorized by the US Congress. In the last two days, many congressmen have criticized.