Because the US has had many government shutdowns before, everyone knows and understands the harmful effects of this situation. The longer it lasts, the more harm and danger it will be to the US economy and to the American people, to the image of the US in the outside world.
Both the political factions in the US House of Representatives and Mr. Trump are fully aware of the impacts of the government's shutdown because the budget is not approved by Congress. But the two sides are still determined to face each other instead of reaching a collusion.
The reason on the Democratic side is that the side is proceeding to use the budget approval to force the Republican and Trump not to cut social welfare and health care for low-income people in the US. After becoming a minority in both houses of the US Congress and still unable to recover due to the defeat in the presidential and parliamentary elections in early November last year, the Democratic Party now has almost every single effective weapon that can be used in the arms race for power with Mr. Trump and the Republican Party has the right to participate in budget decisions. The Democratic Party now needs to rush voters toward the US midterm election next year.
The reason on the Republican side is that if the above condition of the Democratic side is accepted, it would be no different from giving up one of the central contents and top goals of the "big and beautiful" law passed by the parliament not long ago.Mr. Trump did not accept to let this content go because it is the face and reputation of Mr. Trump himself.
Therefore, the deadlock this time between the two sides is inevitable, so the situation of the government being closed is expected to continue.