Final answer:
Executive orders were passed in the examples given: the Manhattan Project funding, the pardoning of Richard Nixon, and the Emancipation Proclamation
Step-by-step explanation:
The funding for the Manhattan Project, the pardoning of Richard Nixon, and the Emancipation Proclamation are all examples of times when Executive orders were passed. Executive orders are directives issued by the President of the United States to manage operations of the federal government. In these instances, the President used the power of executive orders to make significant decisions and enact policy changes without requiring Congressional approval.
Learn more about Executive orders in significant historical events