1) What about Teddy Roosevelt’s leadership at San Juan Hill during the Spanish-American War might have made him a popular candidate for vice president (and later,
president)?

the answer would be in this answer. someone already asked the question.  

what words? are you talking about to complet what sentence

recent improvements in technology/telecommunication/internet have increased the pace of globalization.

explanation:

recent improvements in technology have enhanced the pace of globalization. it is not difficult to recognize that technology has created the human race one big issue. there are several aspects to technology but they all serve to meet us the further. i can beat and be friends with a fellow, thousands of miles away. technology has also bridged the knowledge gap and has presented for the ready transfer of ideas and values.