Serfs paid the owner of the land (in the form of labor) to be able to live on the land and have protection, if the serf were to leave. It was usually an unspoken agreement that they serf would stay on the land. If you still need further information you might find some on http://www.thefinertimes.com/Middle-Ages/serfs-in-the-middle-ages.html
Refuse to obey laws that are unfair and unjust to all citizens
I say it is Agrophobia panic disorder because when you state in the text "her heart started pounding" that is the first sign of panic.
The correct answer is C
Israel advancement in agriculture is a success story of how a desert was turned into a productive society. They are notable for groundbreaking advancement in fruit and dairy farming. Mora also, Israel has invested in the making of high tech equipment which aids in industrial manufacturing. Some of the high tech gadgets ranges from specialized eye check up gadgets to molecular sensors.