What was the main reason that settlements in ancient Arabia were generally small and located far apart from each other?

Constant attacks from powerful neighboring empires.

The scarcity of water and fertile land.

Cultural traditions that encouraged living in small, isolated family groups.

A lack of valuable natural resources to support larger populations.

Besides providing a place for people to live, what other important economic role did oases play in Arabian life?

They were the only places where religious ceremonies could be held.

They were used as military forts to defend against enemies.

They served as vital stopping points for trade caravans.

They were the exclusive property of the ruling families.

Major rivers providing a consistent water supply.

Knowledge of how to build and use basic farming tools.

A coastline suitable for developing ports for sea trade.

Enough direct sunlight for crops to grow throughout the year.

On a high mountain peak for protection.

In an open desert plain to make travel easier.

Around an underground spring that created a fertile area.

Along the coast to rely primarily on fishing for food.