请教

xyywdbb

请教高手帮我分析一下这个句子的成分：
The rules that govern political contributions are less stringent in local elections than they are in national elections because local elections typically involve smaller amounts of money and present less opportunity for abuse.

xyywdbb

谢谢

li3360065

govern political contributions 的rules  是 less stringent in local elections than they are in national elections ，因为because local elections typically involve smaller amounts of money and present less opportunity for abuse.