Protest against violence in DR Congo in front of Downing Street

The transcript is a call to action directed at Mr. Trump, urging immediate action without delay. It emphasizes the importance of holding strategic advantages until the end and making a decisive move to save DRC. The speaker repeats the urgency and necessity of acting now to avoid negative consequences.

What does the phrase 'hold all your trumps to the end' imply?

What should be done with the DRC according to the text?