In the nineteenth and early twentieth century, the demographic transition in Europe was best characterized by a shift in the com
position of national populations toward greater ethnic balance A a net population decline resulting from an excess of deaths over births B migration between European countries C large-scale population movements following periods of war or widespread civil unrest D urbanization and falling birth rates
A net population decline resulting from an "excess of deaths over births".
Option: A
<u>Explanation</u>:
Demographic transition is a shift from higher to lower level of fertility and mortality.Rapid development in industrialization and urbanization in century resulted into enormous population growth. But decline in early century covered many reasons like consequences of two calamitous wars, where Europe suffered large population declination due to battle death and civilian causalities in World War I and II. Hence the acceleration of population growth in 19th century but downfall in 20th is also considered as balance.