B. Rock and roll is the answer
<span>According to Carnegie, the duty of the man of wealth is to set an example of modest and unpretentious living, and abstaining from a display of luxury where they provide service by distributing their surplus wealth to the benefit of the community.</span>
<span>. built dams to provide for irrigation</span>
irrigation was used to farm lands that were originally arid and semi arid<span>4. converted bad land into agricultural fields</span>
<span>these bad lands otherwise ARID AND SEMI ARID were successful reclaimed through irrigation methods.
</span><span></span><span>5. invented new farming methods
</span> improvements in agricultural techniques and tools bolstered the agricultural sector making it one of the important source of taxes for the dynasty.
Switzerland Germany France Netherlands
Answer:
It sold food, arms and other supplies to the allies
Explanation: The Us was more Ally friendly but they also DID sell to the Germans besides that they were more favorable to the allies