Simplify the following text for a Grade 13 native English-speaking person.
Original: The Pakistan Declaration of 1933 had envisioned the princely state of Jammu and Kashmir as one of the `` five Northern units of India '' that were to form the new nation of Pakistan , on the basis of its Muslim majority , according to the Pakistanis they had signed a standstill agreement with ruler at the time .
Simplified: The Pakistan Declaration of 1933 had envisioned the princely state of Jammu and Kashmir as one of the `` five Northern units of India '' that were to form the new nation of Pakistan , on the basis of its Muslim majority .