Three characteristics of the renaissance include: began because of the rediscovery of learning saw manors grow stronger was hurried along by the invention of the printing press saw the invention of scientific instruments that brought the age of exploration

Explanation:

The Renaissance is a period in the history of the European continent which lasted from the 14th to the 17th century. It marked the transition from the Middle Ages to Modernity. The Renaissance focused once more in the teachings of Greek and Rome, in particular in terms of humanities and philosophy. This encouraged the rediscovery of learning. The Renaissance saw progress in the areas of architecture, politics, science and literature. It also saw the invention of many scientific instruments that brought about the Age of Exploration, which was going to chance the face of Europe. Finally, the first developments of the Renaissance were spread throughout Europe due to the invention of the printing press, which makes it another important contribution to the Renaissance.

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.

explanation:

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.