Why would the people in caravan be glad to see glad to see an Oasis?

The people in the caravan would be glad to see an oasis because it offers a vital source of water and relief from the harsh desert environment. The oasis provides a place to rest, replenish supplies, and rejuvenate after a long journey. Additionally, the presence of vegetation and shade can boost morale and foster a sense of hope and safety amid the challenging landscape.