Although a cease-fire has been in effect since May 1994, the sides have not made substantial progress toward a peaceful resolution.
The country's first deepwater port opened near Nouakchott in 1986.
Large reserves of hydrocarbons are being tapped in the offshore areas of Saudi Arabia, Iran, India, and western Australia.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "effect since" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.