According to the U.S. Refugee Act of 1980, U.S. presidents have the power to admit refugees who face persecution or a well-founded fear of persecution based on race, religion, nationality, membership in a particular social group or political opinion, which is exactly what President Obama plans to do. A 2012 decision, Arizona v. United States, reaffirmed the federal government's authority over the states on immigration matters and specifically stated that it might be "inappropriate" to return an immigrant to a country mired in civil war. It is clear that state governments do not have legal authority to refuse the Syrian refugees that are admitted by the federal government.

Still, I feel that those governors' attitude to Syrian refugees reflects part of Americans' public opinion regarding U.S. refugee policy. In addition to the security concerns of Syrian refugees, some Americans have plenty of reasons worrying about refugees. My home state Pennsylvania, for example, is very open to refugees and has accepted many from Ukraine, China, Mexico and other Latin America countries. The arrival of new refugees does bring in a series of social issues and financial burden to local governments and communities. In the past few years, a small number of refugees living in Pennsylvania were charged with theft, burglary, drug dealing, and even murder. But to be fair, I did not see any data suggesting that the refigures' crime rate be higher than non-refugees. But there are data showing most refugees catch up with other Americans in a short period of time.

One of the historic examples are about Vietnamese refugees. After the Vietnam War ended, the United States accepted more than 120,000 in 1975 alone. A Gallup poll at the time found that only 36% of Americans agreed to bring them to their country. Most Americans then feared the Vietnamese refugees would either "steal" jobs from them or end up to be a burden on the welfare system if they failed to land jobs. Some worried that the Cold War was still raging, and the refugees might sway the future political leanings of the country. Others concerned that Americans, desperate to leave the war behind, simply dreaded seeing Vietnamese faces on their streets.

Four years later in 1979, Time magazine reported that though the transition hadn't necessarily been a smooth one, most of the Vietnamese immigrants who had come to the U.S. in 1975 had adjusted well. Employment was actually higher among that group than the average of the American population, and the number who depended on the government for help was sinking. According to Time magazine, about three-quarters of those 1975 Vietnamese families earned $800 a month or more, which is $2,775 in today's dollars. The Vietnamese immigrant population remains relatively well-off in the United States even since.

Comparing to the refugees from other areas in the world, 120,000 Vietnamese refugees was not a large number for America. After World War II, about 400,000 Eastern Europeans came to the United States, while 650,000 Cubans were accepted into the country as refugees after Cuba cut its diplomatic ties with the United States in 1961.

Facing the civil wars and endless rampage of Islamic State terrorists, Syrian people are desperately needing more humanity aid from the International communities, in which the United States should play a bigger role, including accepting more refugees from that area.

The author, Dr. Zhong Bu, Associate Professor from College of Communications, Pennsylvania State University.