Immigration is..

the act of coming to a country of which one is not a native, usually for permanent residence.

Reasons why people immigrate

 * 1) Job opportunities
 * 2) Refugees

Advantages of Immigration

 * 1) Economic Gain - immigrants take the jobs local people in the host country do not take and receive lower salary.
 * 2) Increase in Cultural Diversity - easier access to foreign products only available in its home country.
 * 3) Population Growth

Disadvantages of Immigration

 * 1) Terrorism - immigrants who do not like or obey local rule, culture and religion might start a campaign of terror.
 * 2) Crime - immigrants can gain small money and they have no choice but to steal something or commit a crime.
 * 3) Culture Clashes
 * 4) Racism - it is not easy for the locals to understand or accept people from other region or country.
 * 5) Misunderstanding
 * 6) Job Competition - immigrants work even if salary is low. the locals have less job opportunities.