The first spacecraft to land on Mars was named after what ancient people?

Here is the question :

THE FIRST SPACECRAFT TO LAND ON MARS WAS NAMED AFTER WHAT ANCIENT PEOPLE?

Here is the option for the question :

Mongols
Vikings
Olmecs
Polynesians

The Answer:

And, the answer for the the question is :

Vikings

Explanation:

[STC003884] The Viking 1 lander, which belonged to NASA and was launched on July 20, 1976, is considered to be the first spacecraft to successfully land on Mars. During its six years of operation, the Viking 1 spacecraft explored Mars and performed the first analysis of soil samples from the planet. It also discovered evidence that ancient rivers formerly flowed on the surface of Mars. In the year 1960, NASA came to the conclusion that the names of planetary missions will be based on nautical words like Mariner and Viking.