You can easily access to all battles list through the menu bar, pushing "Wars" button.
This is how the Military campaigns page looks:
This is how the Military campaigns page looks:
The first battle (the highlighted one) is the Campaign of the Day (CoD). This battle is set by the Country President to let citizens know which is the most important battle of the day for that country.
Below CoD you can see "Allies' campaigns". All this battles have an active Alliance, so you can fight in that campaign just staying in your current location.
Remember: if you are in an enemy country, the system will automatically make you fight for the wrong side.
If you want to change side in battle, you just need to know which countries are allies with your side. To know this, just put your cursor over "x allies" (under the country name on the battlefield).
You will see all that country allies.
Now you just need to go to your profile page and change location.
Below CoD you can see "Allies' campaigns". All this battles have an active Alliance, so you can fight in that campaign just staying in your current location.
Remember: if you are in an enemy country, the system will automatically make you fight for the wrong side.
If you want to change side in battle, you just need to know which countries are allies with your side. To know this, just put your cursor over "x allies" (under the country name on the battlefield).
You will see all that country allies.
Now you just need to go to your profile page and change location.