What discovery caused people to begin racing to California

What does this grave marker reveal about roman society

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)