Original sentence: The preliminary and initial forms of Pakistan-Jordan contact can date as early as up to the 1970s and 1980s, although associations have risen at firmer altitudes since the mid 1990s up to 2000
Edited sentence: Generally speaking, Pakistan and Jordan have very strong levels of relations, and these have further strengthened many times, mainly through forms of joint and collaborative alliances.The preliminary and initial forms of Pak-Jordan contact can date as early as up to the 1970s and 1980s, although associations have risen at firmer altitudes since the mid 1990s up to 2000