O positive is the most common blood type. Not all ethnic groups have the same mix of these blood types. Hispanic people, for example, have a relatively high number of Oâs, while Asian people have a relatively high number of Bâs.The mix of the different blood types in the U.S. population is: positive is the most common blood type. Not all ethnic groups have the same mix of these blood types. Hispanic people, for example, have a relatively high number of Oâs, while Asian people have a relatively high number of Bâs. The mix of the different blood types in the U.S. population is:
The Social Security Administration, created in 1935, was the first major federal welfare agency and continues to be the most prominent. Social programs in the United States are welfare subsidies designed to aid the needs of the American population.
In the next 50 years, spurred by socialist theory and the increasing power of organized labor, state-supported social welfare programs grew rapidly, so that by the 1930s most of the world's industrial nations had some type of social welfare program. Not all governments have equally extensive social welfare systems. Great Britain and the Scandinavian countries, often termed welfare states, have wide-ranging social welfare legislation. Britain's National Health Service, for example, was established (1948) to provide free medical treatment to all.