It depends on how the question is read.
If the question is asking why Pakistan is considered Islamic, then: This is because most of its citizens are Muslims.
If the question is asking how the people of northwestern British Colonial India chose to create an Islamic state called Pakistan there, then: Muslims in Colonial India were afraid that a Hindu-majority India would persecute the Muslims in India. As result, they defined themselves by their Muslim-ness as a distinct group of people.
islamic republic of Pakistan
Explain Pakistan ideology in the Islamic perspective?
Its Islamic Republic of Pakistan.
The first Islamic country to have nuclear weapons was Pakistan.
Pakistan is an independent and Islamic country!
I believe the official name of Pakistan is the Islamic Republic of Pakistan
General Zia Ul Haq implemented some islamic laws in Pakistan .
The complete name of Pakistan in English is Islamic Republic of Pakistan. It is named as Islamic Republic of Pakistan as it was founded with Ideological principle of Pakistan i.e. Muslims of India needed a country to practice their religion.
Islamic idealogy
Pakistan Is Considered A Islamic Republic/Democracy Where They Have Elections But Enforce Islamic Laws Such As No Pork, Or Alcohol.
Pakistan was named as Islamic Republic of Pakistan in Objective resolution of Pakistan very first time. Objective resolution was presented in 1956.
Pakistan came into being on the basis of an ideology. Pakistan emerged as an Islamic nation.