Published:   30-Nov--0001
(a) It led to increased nationalism and patriotism as people rallied around their countries during the war
(b) It had no significant impact on the concept of nationalism
(c) It led to decreased nationalism due to the recognition of the devastating consequences of nationalist ideology
(d) It led to increased competition between countries to promote their own national identity and values
Answer:
It led to increased nationalism and patriotism as people rallied around their countries during the war