Environmentally
Economic blocs can set high environmental standards-such as the EU’s regulations on waste, carbon emissions and even light bulbs
May be protectionist.
Politically
The incentives of trade and cooperation help to reduce conflicts and violent ex: joint triangle areas
Giving individual countries greater political negotiation influence when dealing with other nations.
Democracy can be reinforced by the bloc- the EU has its own parliament and everyone with right to vote; ASEAN’s new policy of engagement.
Loss of sovereignty with centralized decisions. Ex: The European High Court can overrule decisions made in British courts; the current Ireland-Apple Case.