How did economic goals of countries change as nationalist sentiments grew?

Competition for land, trade, and industry increased.

Competition for land, trade, and industry increased. The subject of nationalism is extremely complex, not the least because of the many different sources and manifestations of the phenomenon nationalism has a broad meaning ranging from being the defining ideology of political movements seeking some form of autonomy or independent statehood; of groups striving to achieve or to improve their cultural, political, social and economic rights within a given state;