Immigration has increased in the la

Immigration has increased in the last decades,owing to the circumstances that people live under,and therefore; it has both drawbacks and advantages.
Due to the tough conditions that people go through in several parts of the world: hunger,war,econmic crisises,disasters ,they have to flee their home-lands towards others in order live a quiet and peaceful life,also have a better source of living,but immigration can put a strain on the hostage countries'economy,as well as it forms a homogenous society which is unacceptable in many countries.