What do these two incidences in late 20th century Europe reveal about national-self- determination and the expression of nationalism?

According to the qianlong emperor, why was china not interested in importing anything else?

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

He table below shows the number of immigrants to the united states from different regions of europe between 1871 and 1910