Nationalism was important because both countries consisted of numerous smaller states where the people of same ethnicity lived except in different states. That meant that foreign forces could easily ally themselves with one against the others. What they all had was that they all shared ethnicity and religion which was enough to give them an idea of a country for all Germans or all Italians, which is what they did and they gave up their smaller states for the idea of one grand nation.
Was an American professional baseball second baseman<span> who became the first </span>African American<span> to play in </span>Major League Baseball<span> in the modern era.</span><span> Robinson broke the </span>baseball color line<span> when the </span>Brooklyn Dodgers<span> started him at first base on April 15, 1947. The Dodgers, by signing Robinson, heralded the end of </span>racial segregation<span> in professional baseball that had relegated </span>black players<span> to the </span>Negro leagues<span> since the 1880s.</span><span>Robinson was inducted into the </span>Baseball Hall of Fame<span> in </span>1962.<span>[</span>
The election of Abraham Lincoln.<span />
The answer is D, both civilizations declined under circumstances that are still not entirely clear to historians
