A day to celebrate the life and dream of Martin Luther King, Jr. A day to reaffirm the American ideals of freedom, justice, and opportunity for all.
Answer:
Bismarck was an outstanding diplomat and strong-willed leader. He achieved the title of 'The Iron Chancellor' for good reason. He navigated the German states to become a united empire and a major power in Europe. He initiated social welfare reforms and maintained the peace and stability of Germany and Europe.
Explanation:
S<span>cientists believe modern human beings originated in Africa. </span>
The four of them made great contributions to the scientific world.
1. The scientist Nicolaus Copernicus proposed that the world revolved around the sun, the Earth included.
Even though his idea was not fully developed, it formed the foundation for future scientific improvements on planetary motion.
2. The astronomer Johannes Kepler proposed three important laws of planetary motion. Among these laws, he explained that planets move around the sun in an elliptical order.
These three laws contributed to the formulation of Newton's law of gravitation.
3. One of the main contribution that he physician Galileo Galilei was the law of the falling bodies.
It helped to comprehend that the force of gravity is constant and that it produces a constant acceleration effect in the falling bodies.
4. The physician Isaac Newton introduced the law of universal gravitation.
It states that there is a force that makes every particle in the universe attract each other.
