Refer to PengAtlas Maps 2.5 (Regional Economic Integration in South America) and 2.6 (Regional Integration in the

Question:

Refer to PengAtlas Maps 2.5 (Regional Economic Integration in South America) and 2.6 (Regional Integration in the Asia Pacific). Why have these examples of economic integration not been as successful as NAFTA or the EU? In your opinion, what do you see as the future for economic integration outside the EU and NAFTA?