During the louisiana purchase what need did napoleon have and why

Can someone me write a paragraph on this topic i feel confused

Which of these actions were taken by the us government to get ready for war? check all that apply. using a draft to build armed forces planting victory gardens for food and to boost morale promoting conservation of key products trying to get people to buy liberty bonds taking new jobs to meet demands promoting patriotism

Deu 6. the federal reserve system to regulate (1) the annual federal budget (2) state sales tax rates (3) social security payments (4) the nation's money supply . .the codoral reserve system