I think there should be an extra set of managers who enable extra buttons, like buy all upgrades, buy all cheap angel upgrades, total cps per second etc. + if you agree.
Offline modus will work again if you clear your cache. If you're on chrome, go to settings, scroll down and select advanced options. Then remove your browser history etc.
There should be a battle mini-game when concuring a country. Allowing you to take a risk if you trust your skills enough or vice versa. A long buildup and than boom a battle. That'd be cool.