I was able to go abroad to study because of my teacher's strong support for me.
I could study abroad thanks to all the support I received from my teacher.
どちらも「先生の強力なサポートのおかげで留学することができた。」という意味です。
1) I was able to go abroad to study because of my teacher's strong support for me.
2) I could study abroad thanks to all the support I received from my teacher.
「留学することができた」は
was able to go abroad to study
could study abroad
のように言えます。
「強力なサポート」は strong を使って strong support の他、all the support 「あらん限りの・最大のサポート」のようにも言えます。
ご参考になれば幸いです!
1.) strong (強力な) 「強力な」は英語でstrongと訳せます。Strongは「強い」の意味もありますので、ご注意ください。
例えば、
With the strong support of my teacher I was able to study abroad. (先生から強力なサポートがあり留学できた)