Which renaissance invention enabled galileo galilei to confirm heliocentric (copernican) theory?
The correct answer is : The telescope
Explanation: Galileo Galilei perfected the telescope. First he used a homemade 8-magnification telescope, then he used progressively more powerful telescopes, confirmed that Venus was going through phases similar to those of our moon and that Jupiter's moons formed a system similar to the solar system, these were his main arguments to defend the heliocentric system .
in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.