Confucianism developed from what was later called the Hundred Schools of Thought from the teachings of the Chinese philosopher Confucius (551–479 BCE), considered himself a retransmitter of the values of the Zhou dynasty golden age of several centuries before.
What we usually add to another bill because it's unlikely to pass on its own would be a rider - a.
When we add riders to bills, we're hoping that these riders will increase the likelihood of the bill being passed where all the parties involved would also be happy about the recent changes (Which came from the rider).
You could write about a tributary river in a territory, <em />I guess. <em />It depends on what you need to write the paragraph on.
The three countries are Spain England and France