It was initially unclear whether the deal might be affected by recent trade disputes between American and Canadian brewers.

The plot is initially unclear, moving from one seemingly unrelated event to another, all of which are eventually shown to be interconnected.

It was initially unclear if the accident was the result of enemy fire.

His reasons are initially unclear, but he slowly reveals that he wants to prove himself.

It was initially unclear whether he would remain in the seat until the end of the season, but some successful results led to him being retained.

The motive was initially unclear because few valuables were looted from the room.

The cause of the devastating Spanish flu pandemic of 1918 was initially unclear.

IT was initially unclear whether our rented snowmobile was enemy or friend.

It was initially unclear if the smoke was toxic or not.

The officers were initially unclear why he chose to flee.