What problems did the crusaders have to overcome before and during the battle to capture Jerusalem?

Before and during the battle to capture Jerusalem, the Crusaders faced significant issues including logistical challenges, such as food and supply shortages, which strained their resources and morale. They also dealt with internal divisions among different factions and leaders, which complicated their strategic planning. Additionally, the Crusaders encountered fierce resistance from well-prepared Muslim defenders, leading to intense and costly conflicts. The harsh terrain and climate further exacerbated their difficulties, making the campaign even more challenging.