<span>the French helped the patriot war effort by : b. providing a navy and millitary support
During the revolution, the American patriots had to face a huge disadvantages in number of men and weapons.
To handle this, the representatives from American signed the treaty of alliance and treaty of Amity in 1778 For French's military aid during the revolution.</span>
This will let her knows the deference between plant with coffee and plant without coffee and from this she will know if coffee helps plants grow or not