I can’t use the second construction slot all of a sudden!

When is my shield removed?

How can I get Stamina?

What are War Points?

Where can I get Jet Blueprints?

What are Admiral Traits?

How do I craft equipment?

How can I store more resources?

What is the Bunker?

How do I trade?

What is a City Conquest?

What are Armada Bases?

What are Armada Warders?

Please tell me how to use a discount coupon!