Because the population has พันธ์ุและ national groups speaking languages that are different. It must have political parties, several parties in order to meet the needs of the population in the country.
Because the population is ethnic and language groups speaking different. It requires political parties. To meet the needs of the population in the country thoroughly.
Because the population is the decay and language in speech is different. Therefore, there must be several political parties. To meet the needs of the population in the country thoroughly.