Landscape Research lists the types of migration as labor, forced, international, internal, voluntary and inter-regional migration. Animals and birds normally migrate due to changes in environmental conditions and the nee... More »

Although in the United States people are often asked to self-identify as either white, Hispanic, African American, Asian or Native American, advanced understanding of DNA reduced the amount of races accepted by scientist... More »

The main types of human relationships are romantic relationships, friendships, casual relationships, family relationships and professional relationships. According to Neha Sharma, people develop relationships out of trus... More »

The main causes of urban problems include unemployment, rural-urban migration and the embezzlement of funds. These issues lead to different problems in one way or another. More »

Unemployment causes widespread poverty, increased crime rates, political instability, exploitation of labor and reduced economic development in the society. Unemployment may also lead to psychological problems, such as m... More »

Polo y servicio was a practice employed by Spanish colonizers for over 250 years that required the forced labor of all Filipino males from 16 to 60 years old for 40-day periods. The workers could be placed on any project... More »

Racism, violence in schools, drug abuse, unemployment, hunger and unfair labor conditions are examples of social issues in the United States. Typically, social issues result from factors beyond an individual's control an... More »