Do a bit if research into File Inclusion Vulnerability. What is it Why is is dangerous What is the difference

Do a bit
if research into File Inclusion Vulnerability.
What is it?
Why is is dangerous?
What is the difference of low and remote inclusion?
What methods can me employed to prevent a security breach?
What programming languages are vulnerable to this type of attack.
Post between 100-300. Use your own words. Do not copy the work of another students.