What is the barrier to Africa implementing new policies to minimize humanity's effects on their environment?

1. The continent is too big to implement policies to minimize humans' impact.

2. African governments do not see the need to implement new polices.

3. Sustainable programs are heavily reliant on outside funding.

i think it's a)sparta

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.