Why did countries begin to invest in aircraft technology after world war 1

to increase speed and altitude limits for aircraft

Explanation:

payments were made after the 1940s.

in the 1980s, a commission held investigations and made recommendations.

answer:

won re-nomination with no opposition he also had the support of his party

explanation:

it saw incumbent president andrew jackson, candidate of the democratic party, defeat henry clay, candidate of the national republican party. jackson won re-nomination with no opposition, and the 1832 democratic national convention replaced vice president john c. calhoun with martin van buren.