The difference between tefl and tesol?

There are three differences between TESOL and TEFL:

1. TESOL :TESOL is the abbreviation of "Teaching English to Speakers of Other Languages", translated as" Teaching English to Speakers of Other Languages"; 2.TESOL course...

2. Different use areas of the two certificates: 1. Use areas of TESOL certificates :TESOL is often used in the United States, Canada and Australia.2. TEFL certificate use area...

3.The object of study is different: 1. The object of study is TESOL :TESOL is usually used to teach immigrants to english-speaking countries...