The correct answer is - the heliocentric system.
By using the telescope, Galileo Galilei managed to observe the movements of the Sun, Moon, the planets in the Solar System, and he was mapping their movements on the sky, and also he was comparing their movements to the Earth's position. With this, he managed to notice that insted of the popular belief that the Sun, Moon, and the other planets are moving around the Earth, that it is actually the opposite of it, and that the Sun was the center of our Solar System, and that all the planets and moons were orbiting around it, while the only object that hold its position as it was initially thought was the Moon, because it orbits around our planet. So Galileo contributed to the theory of the heliocentric system.
Not 100% sure but I'm pretty sure siam was one of the only ones to escape colonization. look at effects on neighbouring countries?
The only two true statements about the Democratic Party would be that "The Democrats won the Presidency in the 90's but lost control of the Congress" and "<span>In the 1850's Democrats fought over the slavery issue in California," since during this time the Democrats were mostly pro-slavery. </span>
The first two-party system consisted of the Federalist Party, which supported the ratification of the Constitution, and the Democratic-Republican Party or the Anti-Administration party (Anti-Federalists), which opposed the powerful central government that the Constitution established when it took effect in 1789.
