The answer is B. A grain of sand.
Answer Below as A Picture
Answer:
The alliance system caused the World War I to escalate from a regional conflict into a global war. Two major alliances existed in Europe prior to World War I. The Triple Alliance included Germany, Austria-Hungary, and Italy, while the Triple Entente included the Soviet Union, Britain, and France.
Explanation:
that's it.
The social problems are increasing because instead of trying to fix them people just ignore the problems.
<span>This is the formal operational stage of Piaget's developmental stages. In this stage, usually achieved during a person's teenage years, a self-directed form of morality is reached. Morals and viewpoints that are specific to the person become apparent, and are not necessarily based on any overarching rules that society has placed on the person.</span>
