Answer:
By 1900, the White House staff included one "secretary to the president" (then the title of the president's chief aide), two assistant secretaries, two executive clerks, a stenographer, and seven other office personnel.
Answer:
Cowboys in the 1820s and 1830s begins the first cattle drives. When Anglo Americans came in the 1820s and 1830s, ranching practices were well established. Cowboys were called vaqueros after the Spanish word vaca for “cow.” They herded cattle into Corrales or corrals.
Explanation:
vaqueros
By the early 1700s, cattle ranching had spread north into what is now Texas, Arizona, and New Mexico and south to Argentina. The native cowboys were called vaqueros(from the Spanish word for cow) and developed roping skills, using braided rawhide reatas (the root word for lariat).
There are numerous mountains in Japan and they were an obstacle towards unifying the country. Since many parts of Japan waged wars against others, it was difficult to fight in other people's regions since they had the mountains to their advantage so there was a difficulty in uniting every part of Japan through wars, like it was done in numerous other countries.
I think the second one might be the answer but please let me know if Im wrong