Russian people revolted against tsar nicholas ii because

i. peasants were unhappy they had to pay high taxes
ii. people wanted improved working conditions
iii. people were starving due to a food shortage
iv. people disliked the creation of the duma

a.
i & iv
c.
i, ii & iii
b.
ii & iii
d.
i, ii, iii, & iv

President of the united states has scheduled a cabinet meeting today to discuss energy policy with specific focus on pollution and global warming. given what you know of the executive branch, which group of attendees would the president most likely expect to provide up-to-date information and expert insight during this meeting?