Explain how each wave of colonialism impacted the current political map. Did the world powers at the time have a responsibility to assist the countries that they colonized, instead of simply leaving? Explain your answer.

Colonialism impacted the current political map is explained below in detailed explanation.

Explanation:

Even after the country became sovereign, colonization still influenced the nation's accord and stand with and within the global world. Ultimately, colonialism left the sovereign nation inexperienced to operate in the contemporary global nation-state arrangement and defenseless to external influence and persuasion.