the interference from christian missionaries
The major barrier that hindered Japan mostly, was the Portugeese missionaries looking to convert The Japs into, well, Christians.
The thames barrier is effective beacause it prevents floods and storms to affect London city.
The blood-brain barrier is effective against the passage of ? Metabolic waste such as urea
The blood-brain barrier is effective against the passage of ? Metabolic waste such as urea
yes
The skin is the largest organ and forms an effective barrier.
EVIL.Every Villain Is Lemons.
yes it is a non tariff barrier of trade.
Yes, however, it can be penetrated. It forms a far more effective military barrier.
The blood brain barrier is effective again harmful chemicals in the blood and bacteria infections from reaching the brain. Many of the drugs on the street breach this barrier. K12 or bath salts is a very good example of the damage breaching this barrier can cause.
Language
There are many possible solutions to barriers of effective communication. You should first diagnose the reason for the communication barrier.