Did the holy Prophet Muhammad (SAW) send any caravan for Muslims rectifications (islah) while the time of Nubuwwat period.
بسم الله الرحمن الرحيم
It is proved from the books of Hadith and Seerat that the Holy Prophet Muhammad (may peace and blessings of Allah be upon him) used to send delegates in order to teach the Holy Quran and necessary Shariah commandments to those who were new to Islam.
Allah knows Best!
Darul Uloom Deoband