What does the out of africa theory maintain? remains of hominids and early humans have only been found in africa modern humans originated in africa and migrated to other parts of the world civilizations started in africa and spread to other parts of the world cro-magnon man replaced neanderthals who had originated in africa

a countries leader should be motivated by the common good of the country.

in the 1800s, chinese workers migrated to the united states, first to work in the gold mines, but also to take agricultural jobs, and factory work, especially in the garment industry. chinese immigrants were particularly instrumental in building railroads in the american west, and as chinese laborers grew successful in the united states, a number of them became entrepreneurs in their own right. as the numbers of chinese laborers increased, so did the strength of anti-chinese sentiment among other workers in the american economy. this finally resulted in legislation that aimed to limit future immigration of chinese workers to the united states, and threatened to sour diplomatic relations between the united states and china.

she went to newnham women's college at cambridge university