Boundaries that disregarded ethnic and religious differences most contributed to an absence of national identity in newly independent countries.
<u>Explanation:
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The powers that granted independence to the countries they ruled for long periods, also usually interfered in demarcating the boundaries of the regions before granting independence.
This demarcation of boundaries was not always done on the basis of ethnic and religious differences in the region. Thus, it often made the newly independent countries experience a lack of national identity among the people of the countries.
Answer:
el estudio de la naturaleza fundamental del conocimiento, la realidad y la existencia, especialmente cuando se considera una disciplina académica.
Explanation:
Not all of them are correct but one which is "enhance the clarity of a speaker's ideas".
Visual aid is an instructional gadget, for example, a graph, guide, or model that interests essentially to vision; particularly an instructive movie or filmstrip etc. but they still need explanation from the speaker but help his speech in creating clarity for the audience.