Answer:
By using his highly trained and disciplined army in brilliant ways (this made Austria gain more and greater power).
Im really not sure what it is
They went to war with France because they feared the spread of revolutionary ideas of equality.
They are interested in gangsters because they think it’s attractive that people have so much power. They believe you could wow someone with power.
Answer A makes the most sense because agriculture is the study of farming. so A would be my answer. Hope this helps :)