He resigned because he'd already had enough trouble as president. Mainly the Watergate scandal. His plan was for him to step down and if he was arrested the vice president which would then be the vice president would pardon him. Also, if he didn't resign he'd likely be impeached anyway.
The Sumerians in Mesopotamia near the Tigris and Euphrates Rivers being among the first civilized well-developed agricultural nations in the world, learned from the Ubaidians. The latter people were a strong creative force at one time who gave rise to such things as weaving, masonry and pottery which could explain the origins of artifacts like the one shown above here.
Iraq, Syria, Lebanon, Cyprus, Jordan, Israel, Palestine, Egypt, as well as the southeastern fringe of Turkey and the western fringes of Iran. I hope this helps! I also hope its correct:)
Economic failures and years of warfare, the Chernobyl disaster, perestroika glasnost and Mikhail Gorbachev all of these factors contributed to the collapse of the Soviet Union or USSR in the year 1991. Some of these incidents had a direct impact on the breaking of USSR into several countries, while others had a direct role.
how do patterns in fossil locations provide evidence that earth's continents have moved Fossils of the same age and type have been found on continents that are separated by vast oceans. This shows that when these animals were alive, the continents were not separated.