Answer:
their common passion for paleontology and mutual disdain for each other fueled their ambition, ultimately leading to the discovery of over a hundred new species in America. At the same time, their bitter rivalry damaged their reputations and left the two almost penniless at their deaths.
I see myself hopefully having a job that will support me in life so that i will have a good future. i see me surround myself with family everyday because they help me the best.
Try proud because thats the only thing that fits while reading that passage
Than, because then is used in chronological order. than is used to introduce second elements in comparisons.