You build trust by constructing infrastructure like waterworks, clearing IEDs (Improvised Explosive Devices), and delivering humanitarian aid.
The H&M system is supported by several unique layers that differentiate it from other strategy games: Afghanistan ’11 Free Download (v2.05)
Success is measured by your H&M score, which represents the local population's willingness to support your presence. clearing IEDs (Improvised Explosive Devices)
For more details on these mechanics, you can check the Official Game Manual or see community-written strategies on the Afghanistan '11 Steam Guides . Afghanistan '11 Gameplay Review Afghanistan ’11 Free Download (v2.05)