Answer:
PR, positive reinforcement. Hope this helps :}
""The IRS have yet to release an official first day to file taxes 2017, but we estimate January 24th, 2017 to be the first day to file in 2017. Per the 2017 Refund Schedule, the IRS will begin accepting 2016 Tax Returns on January 23rd, 2017."
2017 Tax Refund Schedule - First day to file taxes 2017 2017 Tax ..."
GOOGLE
I believe that b: shelters had to be built, does not describe the hardships of farming on the great plains.
Hope this helps!
