What was the underlying cause of Pontiac's Rebellion? A. British tax policies
B. slavery
C. the presence of European settlers
D. an economic downturn

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest

if i am correct the answer is going to be a) the federal program of reconstruction ended.

they change the constitution.

b because they both had so of the same chosen rules