Why did a conflict develop between Serbia and Austria-Hungary in the years leading up to World War I?
A. Serbians believed that Austro-Hungarian lands with large Serb
populations should join Serbia,
B. Austro-Hungarians began a campaign of genocide against Serbs
in their territory
O C. Serbian military forces joined the Ottoman Empire in its attacks
against Austria-Hungary.
D. Austro-Hungarian nationalists assassinated the leader of Serbia's
ruling political party.

A. Serbians believed that Austro-Hungarian lands with large Serb

populations should join Serbia,

Explanation:

The Serbians who were trapped in Austria-Hungary believed that they should have all the land of Austria-Hungary and give it to Serbia, so that they would have more land, and more natural resources.

Hope this Helps! Please Mark Brainliest!

it is relaxation hope this

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."