Please help writing an essay describing and analyzing the following:
For the countries of Brazil and Czech Republic, please analyze thoughly
1. Foreign investment regulation in each of above listed countries, evaluating whether each country's regulatory approach poses any particular challenge(s) for a corporation who wishes to invest in the medical vaccines field.
2. Propose a specific action plan for addressing each challenge so that the corporation can go forward in an environment where the risks posed by the particular challenges can be minimized.
3. Please survey the available forms of legal entities/business organization under the laws of each of the above listed countries (Brazil and Czech Rep) into which the corporation may organize its local business presence.