only one state has mandatory PE classes for grades K thru 12

only one state has mandatory PE classes for grades K thru 12,and according
21308—there is another major contributor that can no longer be ignored:government policy encourage education,which makes schools put more emphasis on mental education and learning kill.3752
想问：
1—major contributor：怎么翻译?
2—make sb do sth：让某人做某事?
3—put more emphasis on mental education：怎么翻译?
补充：ignore：vt 不顾,不理,忽视
emphasis：n 1(对重要性、意义、事物等的)强调,着重 2(观点、事实等的)重点,重要(性),重大,重要意义
1—there is another major contributor that can no longer be ignored:government policy encourage education
contributor：1.捐款人;捐助人2.促成因素
contribution：n 1.捐助物,贡献2.捐赠；捐助；（尤指）捐款
注意：major contributor ：主要的捐助人 不对 应该是 主要的促成因素
ignored：adj.被忽略的
翻译：这儿有另外的主要的促成因素不在被忽略：政府法规鼓励教育，
2—which makes schools put more emphasis on mental education and learning kill：
make sb do sth：强迫某人做某事
mental education：智力教育 put more on mental education：投入更多在智力教育上
翻译：这强迫学校投入更多在智力教育上。