Why did the little house on the prairie series kill off Albert?

In the "Little House on the Prairie" series, Albert Ingalls' character was killed off to address the themes of loss and the harsh realities of life during that time period. His death served as a poignant moment for the family, showcasing the emotional struggles they faced and adding depth to the narrative. Additionally, it reflected the series' commitment to portraying the challenges of pioneer life, reinforcing the idea that tragedy can strike even in close-knit families.