Answer:
Americans should courageously strive to build their nation on the principles of liberty, equal opportunity, and self-government
Step-by-step explanation:
In his inaugural address, President Reagan says, "We are creating a nation once again vibrant, robust, and alive. But there are many mountains yet to climb." He tells the people of his nation that every American must continue to support the struggle for liberty, self-government, and equal opportunity throughout the world. Therefore, the correct answer is "Americans should courageously strive to build their nation on the principles of liberty, equal opportunity, and self-government."