It's Fresco. Here is the definition of fresco: a painting done rapidly in watercolor on wet plaster on a wall or ceiling, so that the colors penetrate the plaster and become fixed as it dries.
In the diagram, point O is the center of the circle and AC and BD intersect at point E. My sister had this same question
The northern states began working to end slavery, but the southern states needed slaves because they thought their economy would suffer without them.
they found a new and faster trade route it would be cheaper to get the goods. In 1488, King John II of Portugal sent a man by the name of Bartholomeu Dias to explore the southernmost part of Africa.
The American Civil War is considered the first modern world for multiple reasons. Advances in technology made it possible to inflict mass casualties. Rifles were more accurate, took less loading time, and the bullets were more devastating in their effects. Earthworks were dug as barriers from direct gun and shellfire. Ironclad ships and the first submarines were used.
Other reasons that this war is considered the first modern war, was that it was possible, because of the railroads and telegraphs, to communicate in a timely manner, in different parts of the country. The war was widespread and communication was vital, whether it was to let someone know that they were getting new supplies of Enfield rifles, to alerting a commander that the opposition was changing position and heading to a new target.
Photography and reporting were extensive in this conflict, bringing the modern horrors of the battlefield into the homes of non-combatants. Everyone was effected or participated in the war. From the destruction of the South to the poor conditions of prison camps, this war touched almost everyone, in some way.
