Answer:
While it's true that if George Washington is beheaded, he dies (cutting someone's head off is obviously a deadly injury), it's not necessarily true that if he dies, it was because he was beheaded, because George Washington did not necessarily die from beheading, he could have died from other causes.
One reason could be that since England has colonized most of the countries in the past, the English language has been spread around. Another reason would be since English speaking countries like the US and Britain are powerful economically, knowing English is very important when making trades and business deals.
Answer: The empire became weak after numerous rebellions. The empire was in debt due to expensive building projects. The empire fell into decline after the death of a powerful leader.