杰斐逊的文件奠定了新国家的基础。

Jefferson's document formed the ___foundation of a new nation.

爱、理解和尊重将是我孩子成长的基础。

Love, understanding and respect will be the ___foundation of my children's upbringing.

平等的原则是民主的基础。

The principle of equality is the ___foundation of democracy.