Answer:
A: Own property
Explanation:
They were expected to do the rest
The second one isn't criticism, it's just a fact.
Answer: 
Explanation:
Given
A Planet is moving at a rate of 3 cm/year
distance between planets is 1500 km
and 1 km=1000 m
1 m=100 cm
No. of years required to cover 1500 km=
Specialization is when a nation or individual concentrates its productive efforts on producing a limited variety of goods.