Surah Al Quraisy

Because the habits of the people of Quraysh, the habit they travel in the winter and summer, so let them worship the Lord of this house. who has given food to them to eliminate hunger and secured them from fear.

Surah Al-Quraishi

Quraysh people Conducting regular trips to the country mainly to trade Sham in the summer and into the country of Yemen in the winter. the way that they have security guarantees from the authorities of the countries in its path. This is a blessing from God which is most of them. therefore natural that they worship the God who has given pleasure to them.