I believe the answer is: Immigrants were associated with anarchism and communism
During that period, united states was involved in the cold war against the Soviet Union. At that time, most people were scared that the agents from communist countries could come into united states through immigration process, which create the anti-immigration hysteria.
Although President George Bush’s 1992 re-election had initially seemed a foregone conclusion after the success of the Gulf War, his Iraq failure altered the
<span>perceptions of many Americans about him.</span>
It implies the focus of the empire as a whole was moving away from the Western half. The West was poor and stretched to thin to face the germanic hordes. Rome had been sacked multiple times and just never returned to what it once was. This time of weakness for the Western half of the empire provided the opportunity for the eastern half to become prominent and the cultural and political center for the Roman people. The fact that Justinian was the last emperor to speak latin showed how a complete shift had taken place in Roman society. Suddenly Greek became the language of choice and Byzantium became the most important part of the empire. In short it illustrates the fall of the west and rise of the east.
At the time Paine stated common sense, most pioneers believed themselves to be oppressed Britons. Paine, on a fundamental level, changed the tenor of homesteaders' contention with the crown when he composed the accompanying: "Europe, and not England, is the parent nation of America."
Paine proceeded to serve in the U.S. Armed force and to work for the Committee of Foreign Affairs before coming back to Europe in 1787. Back in England, he kept composing handouts on revolution support.