what was raised beds used for

Raised beds are commonly used in gardening to create a controlled environment for plants to grow. They offer better drainage, soil quality, and can help to prevent soil compaction. Raised beds also provide easier access for planting, weeding, and harvesting. Additionally, they can help protect plants from pests and allow for better management of different types of plants in a smaller space.

were they used for trains, wagons, horses, or automobiles

Raised beds were not typically used for trains, wagons, horses, or automobiles. They are primarily used in gardening and agriculture for growing plants in a controlled environment. However, raised railway tracks are sometimes used in certain areas prone to flooding or for other engineering purposes.