Complex sentence: The American Association of Museums (AAM) is a non-profit association that has brought museums together since its founding in 1906, helping to develop standards and best practices, gathering and sharing knowledge, and advocating on issues of concern to the museum community.
Split into simpler sentences: The American Association of Museums (AAM) is a nonprofit association for museums founded in 1906. It helps to develop standards and best practices, gather and share knowledge and advocate on issues of concern to the museum community.