Answer:
power to negotiate with the foreign countries as individual states
Explanation:
Mayan writing first starts to develop.
Answer:
3. Species
Explanation:
Textiles, gems, spices, animals and even religions were all exchanged along this vast expanse, starting around 1,000 B.C. and continuing for millennia. For much of this time, most Silk Road traders coming from western Eurasia were Muslim, and they brought their beliefs and rich culture to millions of people.
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.
