(iii) only a particular area within any part of the United Republic (b) advocates for the break up of the United Republic (c) accepts or advocates for the use of force or violent confrontation as means of attaining its political goals. (d) advocates or intends to carry on its political activities in only one part of the United Republic; (e) Does not permit periodic and democratic election of its leaders." Furthermore Article 20 (4) provides that "it shall be unlawful for any person to be compelled to join any association or organisation, or for any association or any political party to be refused registration on grounds only of its ideology or philosophy." General, Political pluralism has increased more opportunities for people to participate in politics in parties of their choice. Today there are 18 Political Parties which are Chama Cha Mapinduzi (CCM), NCCR Mageuzi, Civic United Front (CUF); Tanzania Labour Party (TLP), Chama cha Demokrasia na Maendeleo (CHADEMA); Democratic Party (DP), National League for Democracy (NCD) United Movement for Democracy (UMD), United Democratic Party (UDP), Tanzania Democratic Alliance, (TADEA), Charna Cha Haki na Ustawi (CHAUSTA),"Jahazi Asilia and Progressive Party of Tanzania (PPT). ARTICLE 12: FREEDOM OF MOVEMENT The United Republic of Tanzania respects the freedom of movement, of its residents. Under Article 17 (1) of the Constitution of the United Republic of Tanzania, it is expressly provided that every citizen has the right to freedom of movement and the right to live in any part of the United Republic, the right to leave and enter the country and the right not to be forced to leave or be expelled from the United Republic. The Immigration Act, CAP. 54, ofR.E. 2002 sets out the procedure and the conditions of entry and residence within the country. The Tanzania Citizenship Act, CAP. 357, R.E. 2002 provides for the procedure to attain Tanzania citizenship. The Refugee Act no. 9 of 1998, CAP. 37 ofR.E. 2002 sets out the procedure and the rights of the Refugees within the United Republic of Tanzania. The country's laws allow individuals to seek asylum when they are persecuted in their countries of origin and indeed Tanzania has been for many years a home for many refugees from neighbouring countries and afar. 21