Simplify the following text for a Grade 10 native English-speaking person.
Original: UNMIL found that several factors contribute to the occurrence of child labor on Firestone plantations : pressure to meet company quotas , incentive to support the family financially , and lack of access to basic education .
Simplified: UNMIL found that several problems . They included pressure to meet company quotas , incentive to support the family financially , and lack of access to basic education .