Respuesta :
					                   1.push factor
2.industrialization
3.utban crowding
4.income gap
5.pull factors
					                
					                
					             2.industrialization
3.utban crowding
4.income gap
5.pull factors
					                   The answers are:
push factor
industrialization
utban crowding
income gap
pull factors
					                
					                
					             push factor
industrialization
utban crowding
income gap
pull factors
 
			                  