Answer:
The land route across Asia was long, difficult, and dangerous.
Explanation:
I know that the answer is D. Because It wouldn't be A because the new inventions DEFINATLY didn't make work more complex and not b because it was not slower AT ALL and not c because it wasn't more consuming.
The sex ratio – the share of the population that is female – varies across the world. And globally in 2017 the share of women in the world was 49.6%.