Answer:climate change and changing economic is a hard obsticle to face for the Louisiana sugar factory
Explanation:
They built houses to keep the sugar warmer like a green house but for sugar cane instead
His purpose in delivering the sermon is to warn his congregation in particular, and presumably, by extension, his nation as a whole, that they must repent of their sinful ways and turn to God for forgiveness before it is too late.
"To study" is a verb in the infinitive form.