What challenges did traveling in the Incense Trade Route in the desert pose to traders? How did they overcome those challenges?

The incense trade route was an ancient network of major land and sea trading routes linking the Mediterranean world with eastern and southern sources of

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.