Your premise is faulty. Peace does not mean stagnation; it means no conflict. Many mainstream religions hold that individuals who go to heaven will remain in some fundamental ways individuals. This may not be so.
Mohammad became a prophet because he is the perfect muslim. He learned the Qur'an and did everything in the right way.
"Had become" is the past perfect tense of become.
The future perfect tense of become is will have become.
Just become a good man, that is enough of a challenge. You are not going to become perfect, no person is perfect.
One can become a conscientious objector by following the Canadian Law Of Rights in chapter 241 of the book. There you will find everything you need to know and learn to become a perfect conscientious objector.
I am a ballerina and the way I become better is practicing and doing my personal absolute best also finding a good teacher that will give you truthfull corrections and not just stand there and smile and say you are doing everything perfect because in ballet there is no such thing as perfect.
No, they became is the simple past tense of become. The past perfect tense of become is had become.
I/We/You/They have becomeHe/She/It has become
Have become is present perfect. Present perfect is have/has + past participle. Become is the past participle of the verb become.You have become a real problem for me
Have/has become.
Practice
Well, If practise makes Perfect, And no body's Perfect, Why Practise?