No - find a better reasom.
the reasom our troops should come is because we have lost over 1,000,000,000 troops and we shouln't lose any more.
Yes she could still be alive because she would 71 years old. Uless she died for some reasom , it could be possible but there's a good chance she still is alive!!
If i understand the question right, then would the answer be 25%. The reasom is, if your mother is from France and your dad is from Spain, then you're 50% of both cultures, which also applies to the mother of your child. Your child would therefor be 25% of all 4 countries.