The Job offer and the pull factor go together.
The semi-permanent movement of people and migration go together.
The movement of people from rural area's to cities and urbanization go together.
The difference between birth and death rates and natural increase go together.
The study of population patterns and change and demography go together.
The number of people living in a defined are and population density go together.
Being forced to leave my home after the war started and push factor go together.