Improvement of hunting methods
This Image is not Renaissance, but Middle Age. First there is No perspective, meaning its almost 100 percent 2D, The shading is bad and there is little detail. For this reason this piece of Art is not a Renaissance. If you want more evidence this painting does not have the same facial detail as true pieces of art. Hope I helped.
The first African slaves were brought to the Jamestown Colony in what is today Virginia. Jamestown was settled in 1607 and it wasn't long before the colony moved past the used of indentured workers to slaves without a contract. By the 1620s, the Jamestown colony was actively bringing in slaves for farms.
They filled the pipe with cement but air pockets formed and built up pressure that then exaploded the pipe
Yes. Because the Spanish colonies had once claimed California as it's territory the areas was apart of Mexico in 1821 but had won it's independence in 1848.
Source: The Spanish Empire then claimed it as part of Alta California in their New Spain colony.