That the Messenger of Allah (ﷺ) said, "Whoever prepares a fighter in Allah's cause, he has participated in a military expedition, and whoever watches after the family of a fighter, he has participated in a military expedition."
This Hadith is Hasan Sahih.
This Hadith is Hasan Sahih.
Jami` at-Tirmidhi Book 22, Hadith 13