Answer:
I have your 3 answers.
Explanation:
1. For better jobs and pay.
2. Better land.
3. And because where the immigrants originated from, there was tax raises which makes them want to move somewhere where there is lower tax rates that they have to payback.
it is an adverb phrase modifying came
b is the right one
theyre is short for they are
Tom is too shy to ask Ben for his apple.