Improved Infrastructure in North Korea will help humanity of North Korean people

If infrastructure in North Korea is improved, then humanity of North Korean people will be better.

It took more than 10 days to travel between places by train in North Korea.
The trains runs by burning trees.
Are we living in the 21st centuries?

Nuclear weapon is the big difference between German and Korea

There were no nuclear weapon when German was unified.
North Korea has nuclear weapons.

It would not be easy for Korea to get unified like German.
North Korean regime does not seem to give up nuclear weapons.
They think nuclear weapons can protect them.

After unifcation of Korea, people from North Korea can travel South Korea without any restriction?

There is a big gap in economy between Hong Kong and China.
Even after unification of Hong Kong and China, people from China can not travel and visit freely.

Can people from North Korea visit Southern part of Korea freely after unication?
We do not need Visa, because Korea is unified and there is only one country.
Then, without any restriction people can travel any people?

The welfare of North Korea is not so good as that of South.
People in South Korea must be ready to suffer economical difficulties after unification, because they are requird to help North Korea.