What caused the battle of Stalingrad to happen?

What happened in the battle of Stalingrad?

What was the aftermath of the battle of Stalingrad?

What could be a good thesis for this?

PLEASE PLEASE USE THESE SOURCES TO ANSWER THE QUESTIONS

• Jones, Michael K. Stalingrad: How the Red Army Triumphed. Pen and Sword, 2022.
• Cohen, Eliot A., and Antony Beevor. "Stalingrad: The Fateful Siege, 1942-1943." Foreign Affairs, vol. 77, no. 6, 1998, p. 148., https://doi.org/10.2307/20049148.
• "Battle for Stalingrad: The 1943 Soviet General Staff Study." Choice Reviews Online, vol. 27, no. 05, 1990, https://doi.org/10.5860/choice.27-2848.
• King, C. S. (2020). Victory at Stalingrad. The Journal of Military History, 68(1), 280-281.
• Hayward, J. (2021). Stalingrad, The Fateful Siege: 1942-1943. The Journal of Military History, 63(1), 213.
• Glantz, David M., and V. E. Tarrant. "Stalingrad: Anatomy of an Agony." The Journal of Military History, vol. 58, no. 1, 1994, p. 161., https://doi.org/10.2307/2944205.
• Roberts, Geoffrey. "Victory at Stalingrad." 2013, https://doi.org/10.4324/9781315835785.
• Hoyt, Edwin P. Stalingrad: The Turning Point of World War II. (1st Edition. Tor Books. New York, United States, 1994).
• Haanstad, V. J. (2020). The power of persuasion: remembering the battle of Stalingrad during the Thaw, 1958-1966.
• Schechter, B. M. (2018). Stalingrad: the city that defeated the Third Reich. Canadian Slavonic Papers, 57(3/4), 327.