The period in which imam bukhari lived and the stages of the science of interpreting the qur'an at that time

The development of the science of tafsir after our Prophet (s.a.w.), its stages and types. This is due to the fact that he was free from the caliphate for a long time, that he lived longer than other caliphs, and that people of different nationalities also embraced Islam, and that there was a great need for the tafsir of the Qur'an during this period. The most famous scholars of Medina relied on narration to understand the meanings of the Qur'an.The situation was completely different in the cities of the Islamic world except Madinah. In search of knowledge, he traveled to cities such as Basra, Wasit, Kufa, Syria, Palestine, Beirut and Fustot.He spent most of his life (50 years) in Baghdad, where he wrote his tafsir.