Which mission was more difficult: sending people into outer space or sending Curiosity to Mars? Support your answer

On a scale from one to 10, landing on Mars is a 20! Curiosity is the biggest, most capable Mars rover yet, and needs a new type of landing to reach the ground safely. In this seven-minute trip to the surface of Mars, we have to slow down from over 13,000 miles an hour down to zero.

Explanation:

i believe the answer would be 1.

since most of current immigration into the u.s., both legal and illegal, is coming from latin america. it would be very difficult to imagine or rationalize a country my fellow citizens are trying desperately to flee into, would pose a threat to my prosperity or freedom. since the u.s. has a long history of intervention, but no record of permanent occupation, i would not feel oppression is the main objective.  

the largest free trade nation, along with the largest gdp in the world wanting to expand it's economic policy on us, and including us, could only be positive. the u.s. government has no interest in, or way of simply forcing american culture on us. and has no track record of it. other nations that adopted american social culture, or "americanization" did so voluntarily, mainly through the choice of allowing american businesses and u.s. citizens to come into their nations, as free operatives.