What is an evergreen tree with round ball seeds on them?

An evergreen tree with round ball seeds is likely the sweetgum tree (Liquidambar styraciflua). This tree produces distinctive spiky seed pods that resemble round balls, which contain multiple seeds. Sweetgum trees are known for their vibrant fall foliage and are commonly found in various regions of the United States. They thrive in a range of soil types and are often used for landscaping due to their aesthetic appeal.