Explanation:

- Option 1: Puchta

- Puchta was a German jurist who contributed to the development of the historical school of law.

- He built upon the ideas of Savigny.

- Option 2: Savigny

- Friedrich Carl von Savigny was a German jurist known for founding the historical school of jurisprudence.

- He introduced the concept of "Volksgeist," which means the spirit of the people.

- ?? Correct Answer: Savigny.

- Option 3: Inering

- It seems you might be referring to Rudolf von Jhering.

- Jhering was a legal scholar known for the "jurisprudence of interests," a different concept.

- Option 4: Montesquieu

- A French philosopher, he is known for his theory of separation of powers.

- Montesquieu did contribute to the idea of laws being influenced by society but did not focus specifically on Volksgeist.