Hey, thanks for playing! :) There's an 'x' icon in the top right to put the scroll away. I can totally see it being overwhelming at first. Having a proper tutorial would have been nice but there was no time for that so we had to settle for the "wall of text" approach^^'.
The goal is to have a large scale war with total unit weight of 50. So you win by having lots of units in play without the weight difference ever getting out of hand.