The answer is Federalism if you are using Apex
The country that lost all of it's African colonies by 1920 was Germany<span />
Well the Tang made China's government stronger. They went back to using the civil service examinations for choosing government officials. Government officials could no longer use family connections to get them jobs. They also gave land to farmers and brought back order to the countryside. The effects helped China rebuild itself, offering better standers of living to its people.
There were 3 main classes.
The patrician which were the upper class consisting of weathly landowners, leading citizens, government officials, and very prosperous business owners.
Next were the plebians. They were ordinary citizens, some of which were successful entrepreneurs while others were small business owners.
And lastly were the slaves. They had no rights at all, they couldn't own land or businesses
I believe the answer is: quick couple service fitting and that design <span>reduce venting and mixing of refrigerants during service.
</span>hfc-134a has a better process of refrigerants venting and mixing compared to <span>cfc-12 a/c system. This reduce the toxicity level of air conditioner which make it possible for the Air conditioner to be installed in small/cramped space such as cars</span>