which groups have strong political clout andPluralistic and special interest groups, such as pharmaceutical companies, often have strong political clout and vested interests in the healthcare system. These groups may advocate for policies and regulations that align with their economic and financial interests within the healthcare sector. their own invested interest in the healthcare system such as pharmaceutical companies. 1) economic and financial groups 2) political and educational groups 3) pluralistic and special interest groups 4) educational and pluralistic groups