Explain social structure of feudal Europe

Look at this photograph taken during the battle of guadalcanal

The term globalization is best defined as: a. a reduction in the political and military power of imperial countries over their colonies. b. an increasing interaction among citizens and businesses of countries around the world. c. the spread of philosophies based on the right of all nations to political independence. d. the establishment of international laws protecting all people's human and civil rights.

Why didn’t the portuguese have access to the territory that is present-day latin and north america