United states of America or US or USA: it is a federal republic and consists of fifty states.
Mexico or the united Mexican states: it is a federal constitutional republic located in north America.
India or the republic of India located in south Asia.
China is a sovereign state in east Asia.
Canada consists of ten provinces and three territories and it is a north American country.
The united kingdom of great Britain or UK and it is a sovereign state as it located off the western coast of Continental Europe.
Japan or the state of japan is an island nation located in east Asia.
The commonwealth of Australia or Australia: it is the main land of the continent Australia.
Brazil is the largest country in both Latin American region and south America.
Italy is a unitary parliamentary republic in the south Europe.
France is a unitary semi-presidential republic in western Europe.
Spain is a member state of the European Union and it is a sovereign state.
Germany located in the western-central Europe and it is federal parliamentary republic.
Colombia is a unitary constitutional republic located in the northwestern of south America.
Russia It is a federal semi-presidential republic in the northern Eurasia.
Pakistan is a sovereign country located in south Asia.
Nigeria located in the west Africa and it is a federal constitutional republic.
Singapore is an island country consists of 63 islands.
The Islamic republic of Afghanistan: it is a Landlocked sovereign state.
Greece is a country located in the southeast Europe.
Syria is a country located in the western Asia.
Switzerland consists of 26 cantons and it is a federal republic.
Egypt or the Arab republic of Egypt located in the northeast corner of Africa.
The Kingdom of Saudi Arabia: it is the largest Arab state in the western Asia.
Turkey: is bordered by eight countries like Bulgaria, Greece, Iran, Georgia, Armenia, Azerbaijani exclave, Iraq and Syria.
The kingdom of Morocco.
Iraq is a country located in the western Asia.
Lebanon is a country located on the east Mediterranean.
Somalia is a country in the horn of Africa.
Libya is a country located in the Maghreb region of north Africa.