Its intensive tillage left little room for hired labor.

其密集耕作几乎没有雇佣劳动力的空间。

They also agreed to raise wages and to stop hiring child labor. And they agreed to improve working conditions and to cooperate with labor unions.

他们还同意提高工资，停止雇佣童工。他们同意改善工作条件，并与工会合作。

This historic action declares that the policy of our government is to aggressively promote and use American made goods and to ensure that American labor is hired to do the job.

这一历史性行动表明，我们政府的政策是积极推广和使用美国制造的商品，并确保雇用美国劳动力来完成这项工作。